15502070010000 has 400 divisors, whose sum is σ = 57207573016704. Its totient is φ = 3542347776000.

The previous prime is 15502070009989. The next prime is 15502070010013. The reversal of 15502070010000 is 1007020551.

It is a tau number, because it is divible by the number of its divisors (400).

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 981322102 + ... + 981337898.

Almost surely, 2^{15502070010000} is an apocalyptic number.

15502070010000 is a gapful number since it is divisible by the number (10) 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 15502070010000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28603786508352).

15502070010000 is an abundant number, since it is smaller than the sum of its proper divisors (41705503006704).

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

15502070010000 is a wasteful number, since it uses less digits than its factorization.

15502070010000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20508 (or 20487 counting only the distinct ones).

The product of its (nonzero) digits is 350, while the sum is 21.

Adding to 15502070010000 its reverse (1007020551), we get a palindrome (15503077030551).

The spelling of 15502070010000 in words is "fifteen trillion, five hundred two billion, seventy million, ten thousand".