56605024731021 has 16 divisors (see below), whose sum is σ = 82423784661120. Its totient is φ = 34343243605440.

The previous prime is 56605024730983. The next prime is 56605024731149. The reversal of 56605024731021 is 12013742050665.

It is not a de Polignac number, because 56605024731021 - 2⁶ = 56605024730957 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56605024781021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10221200686 + ... + 10221206223.

It is an arithmetic number, because the mean of its divisors is an integer number (5151486541320).

Almost surely, 2^{56605024731021} is an apocalyptic number.

It is an amenable number.

56605024731021 is a deficient number, since it is larger than the sum of its proper divisors (25818759930099).

56605024731021 is a wasteful number, since it uses less digits than its factorization.

56605024731021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20442406996.

The product of its (nonzero) digits is 302400, while the sum is 42.

Adding to 56605024731021 its reverse (12013742050665), we get a palindrome (68618766781686).

The spelling of 56605024731021 in words is "fifty-six trillion, six hundred five billion, twenty-four million, seven hundred thirty-one thousand, twenty-one".