56620272111 has 32 divisors (see below), whose sum is σ = 82918321920. Its totient is φ = 34153488384.

The previous prime is 56620272101. The next prime is 56620272143. The reversal of 56620272111 is 11127202665.

It is not a de Polignac number, because 56620272111 - 2⁹ = 56620271599 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56620272101) 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, 762991 + ... + 833903.

It is an arithmetic number, because the mean of its divisors is an integer number (2591197560).

Almost surely, 2^56620272111 is an apocalyptic number.

56620272111 is a deficient number, since it is larger than the sum of its proper divisors (26298049809).

56620272111 is a wasteful number, since it uses less digits than its factorization.

56620272111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71335.

The product of its (nonzero) digits is 10080, while the sum is 33.

Adding to 56620272111 its reverse (11127202665), we get a palindrome (67747474776).

The spelling of 56620272111 in words is "fifty-six billion, six hundred twenty million, two hundred seventy-two thousand, one hundred eleven".