56073155591481 has 32 divisors (see below), whose sum is σ = 86581610250240. Its totient is φ = 31616020253376.

The previous prime is 56073155591473. The next prime is 56073155591539. The reversal of 56073155591481 is 18419555137065.

It is not a de Polignac number, because 56073155591481 - 2³ = 56073155591473 is a prime.

It is a super-2 number, since 2×56073155591481² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (56073155590481) 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, 8185086 + ... + 13384391.

It is an arithmetic number, because the mean of its divisors is an integer number (2705675320320).

Almost surely, 2^{56073155591481} is an apocalyptic number.

It is an amenable number.

56073155591481 is a deficient number, since it is larger than the sum of its proper divisors (30508454658759).

56073155591481 is a wasteful number, since it uses less digits than its factorization.

56073155591481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21571133.

The product of its (nonzero) digits is 22680000, while the sum is 60.

The spelling of 56073155591481 in words is "fifty-six trillion, seventy-three billion, one hundred fifty-five million, five hundred ninety-one thousand, four hundred eighty-one".