5256261461864 has 32 divisors (see below), whose sum is σ = 11525357363520. Its totient is φ = 2200295494656.

The previous prime is 5256261461863. The next prime is 5256261461903. The reversal of 5256261461864 is 4681641626525.

It is a hoax number, since the sum of its digits (56) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (56).

It is not an unprimeable number, because it can be changed into a prime (5256261461863) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1091414009 + ... + 1091418824.

It is an arithmetic number, because the mean of its divisors is an integer number (360167417610).

Almost surely, 2^{5256261461864} is an apocalyptic number.

It is an amenable number.

5256261461864 is an abundant number, since it is smaller than the sum of its proper divisors (6269095901656).

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

5256261461864 is a wasteful number, since it uses less digits than its factorization.

5256261461864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2182832889 (or 2182832885 counting only the distinct ones).

The product of its digits is 16588800, while the sum is 56.

The spelling of 5256261461864 in words is "five trillion, two hundred fifty-six billion, two hundred sixty-one million, four hundred sixty-one thousand, eight hundred sixty-four".