56401035265266 has 64 divisors (see below), whose sum is σ = 114596410798080. Its totient is φ = 18502451256960.

The previous prime is 56401035265249. The next prime is 56401035265283. The reversal of 56401035265266 is 66256253010465.

56401035265266 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (56401035265249) and next prime (56401035265283).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 403975131 + ... + 404114721.

It is an arithmetic number, because the mean of its divisors is an integer number (1790568918720).

Almost surely, 2^{56401035265266} is an apocalyptic number.

56401035265266 is an abundant number, since it is smaller than the sum of its proper divisors (58195375532814).

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

56401035265266 is a wasteful number, since it uses less digits than its factorization.

56401035265266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141671.

The product of its (nonzero) digits is 7776000, while the sum is 51.

The spelling of 56401035265266 in words is "fifty-six trillion, four hundred one billion, thirty-five million, two hundred sixty-five thousand, two hundred sixty-six".