56366389135 has 64 divisors (see below), whose sum is σ = 79128576000. Its totient is φ = 37752422400.

The previous prime is 56366389117. The next prime is 56366389169. The reversal of 56366389135 is 53198366365.

It is a happy number.

It is not a de Polignac number, because 56366389135 - 2⁵ = 56366389103 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 125537391 + ... + 125537839.

It is an arithmetic number, because the mean of its divisors is an integer number (1236384000).

Almost surely, 2^56366389135 is an apocalyptic number.

56366389135 is a deficient number, since it is larger than the sum of its proper divisors (22762186865).

56366389135 is a wasteful number, since it uses less digits than its factorization.

56366389135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 952.

The product of its digits is 10497600, while the sum is 55.

The spelling of 56366389135 in words is "fifty-six billion, three hundred sixty-six million, three hundred eighty-nine thousand, one hundred thirty-five".