56321065135 has 4 divisors (see below), whose sum is σ = 67585278168. Its totient is φ = 45056852104.

The previous prime is 56321065123. The next prime is 56321065147. The reversal of 56321065135 is 53156012365.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 53156012365 = 5 ⋅10631202473.

It is an interprime number because it is at equal distance from previous prime (56321065123) and next prime (56321065147).

It is a cyclic number.

It is not a de Polignac number, because 56321065135 - 2¹⁷ = 56320934063 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 56321065094 and 56321065103.

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, 5632106509 + ... + 5632106518.

It is an arithmetic number, because the mean of its divisors is an integer number (16896319542).

Almost surely, 2^56321065135 is an apocalyptic number.

56321065135 is a deficient number, since it is larger than the sum of its proper divisors (11264213033).

56321065135 is a wasteful number, since it uses less digits than its factorization.

56321065135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11264213032.

The product of its (nonzero) digits is 81000, while the sum is 37.

The spelling of 56321065135 in words is "fifty-six billion, three hundred twenty-one million, sixty-five thousand, one hundred thirty-five".