56401001395199 has 4 divisors (see below), whose sum is σ = 56402926570464. Its totient is φ = 56399076219936.

The previous prime is 56401001395133. The next prime is 56401001395229. The reversal of 56401001395199 is 99159310010465.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 56401001395199 - 2³² = 56396706427903 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 56401001395199.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56401001395499) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 962543687 + ... + 962602280.

It is an arithmetic number, because the mean of its divisors is an integer number (14100731642616).

Almost surely, 2^{56401001395199} is an apocalyptic number.

56401001395199 is a deficient number, since it is larger than the sum of its proper divisors (1925175265).

56401001395199 is a wasteful number, since it uses less digits than its factorization.

56401001395199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1925175264.

The product of its (nonzero) digits is 1312200, while the sum is 53.

The spelling of 56401001395199 in words is "fifty-six trillion, four hundred one billion, one million, three hundred ninety-five thousand, one hundred ninety-nine".