56261016266 has 32 divisors (see below), whose sum is σ = 108382434048. Its totient is φ = 21289403520.

The previous prime is 56261016257. The next prime is 56261016311. The reversal of 56261016266 is 66261016265.

It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6715955 + ... + 6724326.

It is an arithmetic number, because the mean of its divisors is an integer number (3386951064).

Almost surely, 2^56261016266 is an apocalyptic number.

56261016266 is a deficient number, since it is larger than the sum of its proper divisors (52121417782).

56261016266 is a wasteful number, since it uses less digits than its factorization.

56261016266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13440326.

The product of its (nonzero) digits is 155520, while the sum is 41.

Subtracting 56261016266 from its reverse (66261016265), we obtain a palindrome (9999999999).

The spelling of 56261016266 in words is "fifty-six billion, two hundred sixty-one million, sixteen thousand, two hundred sixty-six".