56261015771 has 8 divisors (see below), whose sum is σ = 56519614944. Its totient is φ = 56002563520.

The previous prime is 56261015753. The next prime is 56261015779. The reversal of 56261015771 is 17751016265.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 56261015771 - 2²⁶ = 56193906907 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56261015779) 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, 771530 + ... + 841296.

It is an arithmetic number, because the mean of its divisors is an integer number (7064951868).

Almost surely, 2^56261015771 is an apocalyptic number.

56261015771 is a deficient number, since it is larger than the sum of its proper divisors (258599173).

56261015771 is a wasteful number, since it uses less digits than its factorization.

56261015771 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73461.

The product of its (nonzero) digits is 88200, while the sum is 41.

The spelling of 56261015771 in words is "fifty-six billion, two hundred sixty-one million, fifteen thousand, seven hundred seventy-one".