15535265000 has 40 divisors (see below), whose sum is σ = 36399137610. Its totient is φ = 6214104000.

The previous prime is 15535264963. The next prime is 15535265017. The reversal of 15535265000 is 56253551.

It can be written as a sum of positive squares in 5 ways, for example, as 918938596 + 14616326404 = 30314^2 + 120898^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 1548527 + ... + 1558526.

Almost surely, 2^15535265000 is an apocalyptic number.

15535265000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

15535265000 is an abundant number, since it is smaller than the sum of its proper divisors (20863872610).

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

15535265000 is an equidigital number, since it uses as much as digits as its factorization.

15535265000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3107079 (or 3107060 counting only the distinct ones).

The product of its (nonzero) digits is 22500, while the sum is 32.

The spelling of 15535265000 in words is "fifteen billion, five hundred thirty-five million, two hundred sixty-five thousand".