56501401011 has 8 divisors (see below), whose sum is σ = 82183856064. Its totient is φ = 34243273320.

The previous prime is 56501400979. The next prime is 56501401013. The reversal of 56501401011 is 11010410565.

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

It is not a de Polignac number, because 56501401011 - 2⁵ = 56501400979 is a prime.

It is not an unprimeable number, because it can be changed into a prime (56501401013) 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, 856081801 + ... + 856081866.

It is an arithmetic number, because the mean of its divisors is an integer number (10272982008).

Almost surely, 2^56501401011 is an apocalyptic number.

56501401011 is a deficient number, since it is larger than the sum of its proper divisors (25682455053).

56501401011 is a wasteful number, since it uses less digits than its factorization.

56501401011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1712163681.

The product of its (nonzero) digits is 600, while the sum is 24.

Adding to 56501401011 its reverse (11010410565), we get a palindrome (67511811576).

The spelling of 56501401011 in words is "fifty-six billion, five hundred one million, four hundred one thousand, eleven".