13256756087500 has 36 divisors (see below), whose sum is σ = 28997298022896. Its totient is φ = 5302702430000.

The previous prime is 13256756087483. The next prime is 13256756087521. The reversal of 13256756087500 is 578065765231.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 530257744 + ... + 530282743.

It is an arithmetic number, because the mean of its divisors is an integer number (805480500636).

Almost surely, 2^{13256756087500} is an apocalyptic number.

13256756087500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13256756087500 is an abundant number, since it is smaller than the sum of its proper divisors (15740541935396).

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

13256756087500 is an equidigital number, since it uses as much as digits as its factorization.

13256756087500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1060540516 (or 1060540494 counting only the distinct ones).

The product of its (nonzero) digits is 10584000, while the sum is 55.

It can be divided in two parts, 1325675 and 6087500, that added together give a triangular number (7413175 = T₃₈₅₀).

The spelling of 13256756087500 in words is "thirteen trillion, two hundred fifty-six billion, seven hundred fifty-six million, eighty-seven thousand, five hundred".