56133989779495 has 4 divisors (see below), whose sum is σ = 67360787735400. Its totient is φ = 44907191823592.

The previous prime is 56133989779457. The next prime is 56133989779513. The reversal of 56133989779495 is 59497798933165.

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 56133989779495 - 2¹¹ = 56133989777447 is a prime.

It is a Smith number, since the sum of its digits (85) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5613398977945 + ... + 5613398977954.

It is an arithmetic number, because the mean of its divisors is an integer number (16840196933850).

Almost surely, 2^{56133989779495} is an apocalyptic number.

56133989779495 is a deficient number, since it is larger than the sum of its proper divisors (11226797955905).

56133989779495 is a wasteful number, since it uses less digits than its factorization.

56133989779495 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11226797955904.

The product of its digits is 13888324800, while the sum is 85.

The spelling of 56133989779495 in words is "fifty-six trillion, one hundred thirty-three billion, nine hundred eighty-nine million, seven hundred seventy-nine thousand, four hundred ninety-five".