15055510650 has 96 divisors (see below), whose sum is σ = 38343254208. Its totient is φ = 3908044800.

The previous prime is 15055510627. The next prime is 15055510669. The reversal of 15055510650 is 5601555051.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 879069 + ... + 896031.

It is an arithmetic number, because the mean of its divisors is an integer number (399408898).

Almost surely, 2^15055510650 is an apocalyptic number.

15055510650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 15055510650, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19171627104).

15055510650 is an abundant number, since it is smaller than the sum of its proper divisors (23287743558).

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

15055510650 is a wasteful number, since it uses less digits than its factorization.

15055510650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17136 (or 17131 counting only the distinct ones).

The product of its (nonzero) digits is 18750, while the sum is 33.

It can be divided in two parts, 1505 and 5510650, that added together give a palindrome (5512155).

The spelling of 15055510650 in words is "fifteen billion, fifty-five million, five hundred ten thousand, six hundred fifty".