15256210664130 has 64 divisors (see below), whose sum is σ = 36838133192448. Its totient is φ = 4043534570240.

The previous prime is 15256210664081. The next prime is 15256210664131. The reversal of 15256210664130 is 3146601265251.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (15256210664131) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16100692 + ... + 17021888.

It is an arithmetic number, because the mean of its divisors is an integer number (575595831132).

Almost surely, 2^{15256210664130} is an apocalyptic number.

15256210664130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

15256210664130 is an abundant number, since it is smaller than the sum of its proper divisors (21581922528318).

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

15256210664130 is a wasteful number, since it uses less digits than its factorization.

15256210664130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 924571.

The product of its (nonzero) digits is 259200, while the sum is 42.

The spelling of 15256210664130 in words is "fifteen trillion, two hundred fifty-six billion, two hundred ten million, six hundred sixty-four thousand, one hundred thirty".