56135152369 has 2 divisors, whose sum is σ = 56135152370. Its totient is φ = 56135152368.

The previous prime is 56135152219. The next prime is 56135152417. The reversal of 56135152369 is 96325153165.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 41397192369 + 14737960000 = 203463^2 + 121400^2 .

It is a cyclic number.

It is not a de Polignac number, because 56135152369 - 2²⁷ = 56000934641 is a prime.

It is a super-2 number, since 2×56135152369² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (56135152169) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28067576184 + 28067576185.

It is an arithmetic number, because the mean of its divisors is an integer number (28067576185).

Almost surely, 2^56135152369 is an apocalyptic number.

It is an amenable number.

56135152369 is a deficient number, since it is larger than the sum of its proper divisors (1).

56135152369 is an equidigital number, since it uses as much as digits as its factorization.

56135152369 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 729000, while the sum is 46.

The spelling of 56135152369 in words is "fifty-six billion, one hundred thirty-five million, one hundred fifty-two thousand, three hundred sixty-nine".