56231467665 has 32 divisors (see below), whose sum is σ = 90408928896. Its totient is φ = 29844280320.

The previous prime is 56231467631. The next prime is 56231467667. The reversal of 56231467665 is 56676413265.

It is not a de Polignac number, because 56231467665 - 2⁶ = 56231467601 is a prime.

It is not an unprimeable number, because it can be changed into a prime (56231467667) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2602105 + ... + 2623625.

It is an arithmetic number, because the mean of its divisors is an integer number (2825279028).

Almost surely, 2^56231467665 is an apocalyptic number.

It is an amenable number.

56231467665 is a deficient number, since it is larger than the sum of its proper divisors (34177461231).

56231467665 is a wasteful number, since it uses less digits than its factorization.

56231467665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22369.

The product of its digits is 5443200, while the sum is 51.

The spelling of 56231467665 in words is "fifty-six billion, two hundred thirty-one million, four hundred sixty-seven thousand, six hundred sixty-five".