56401001395201 has 4 divisors (see below), whose sum is σ = 56421123053872. Its totient is φ = 56380879736532.

The previous prime is 56401001395133. The next prime is 56401001395229. The reversal of 56401001395201 is 10259310010465.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 56401001395201 - 2²³ = 56400993006593 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56401001395231) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10060825131 + ... + 10060830736.

It is an arithmetic number, because the mean of its divisors is an integer number (14105280763468).

Almost surely, 2^{56401001395201} is an apocalyptic number.

It is an amenable number.

56401001395201 is a deficient number, since it is larger than the sum of its proper divisors (20121658671).

56401001395201 is a wasteful number, since it uses less digits than its factorization.

56401001395201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20121658670.

The product of its (nonzero) digits is 32400, while the sum is 37.

The spelling of 56401001395201 in words is "fifty-six trillion, four hundred one billion, one million, three hundred ninety-five thousand, two hundred one".