15050115601616 has 80 divisors (see below), whose sum is σ = 30252282844560. Its totient is φ = 7244594380800.

The previous prime is 15050115601601. The next prime is 15050115601621. The reversal of 15050115601616 is 61610651105051.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 4568735251600 + 10481380350016 = 2137460^2 + 3237496^2 .

It is a super-3 number, since 3×15050115601616³ (a number of 41 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 15050115601616.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 361821716 + ... + 361863308.

It is an arithmetic number, because the mean of its divisors is an integer number (378153535557).

Almost surely, 2^{15050115601616} is an apocalyptic number.

15050115601616 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 15050115601616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15126141422280).

15050115601616 is an abundant number, since it is smaller than the sum of its proper divisors (15202167242944).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

15050115601616 is a wasteful number, since it uses less digits than its factorization.

15050115601616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43864 (or 43858 counting only the distinct ones).

The product of its (nonzero) digits is 27000, while the sum is 38.

Adding to 15050115601616 its reverse (61610651105051), we get a palindrome (76660766706667).

The spelling of 15050115601616 in words is "fifteen trillion, fifty billion, one hundred fifteen million, six hundred one thousand, six hundred sixteen".