56101109969 has 2 divisors, whose sum is σ = 56101109970. Its totient is φ = 56101109968.

The previous prime is 56101109941. The next prime is 56101110017. The reversal of 56101109969 is 96990110165.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 53935417600 + 2165692369 = 232240^2 + 46537^2 .

It is a cyclic number.

It is not a de Polignac number, because 56101109969 - 2³² = 51806142673 is a prime.

It is a super-2 number, since 2×56101109969² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (56101199969) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28050554984 + 28050554985.

It is an arithmetic number, because the mean of its divisors is an integer number (28050554985).

Almost surely, 2^56101109969 is an apocalyptic number.

It is an amenable number.

56101109969 is a deficient number, since it is larger than the sum of its proper divisors (1).

56101109969 is an equidigital number, since it uses as much as digits as its factorization.

56101109969 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 131220, while the sum is 47.

The spelling of 56101109969 in words is "fifty-six billion, one hundred one million, one hundred nine thousand, nine hundred sixty-nine".