56015000661227 has 2 divisors, whose sum is σ = 56015000661228. Its totient is φ = 56015000661226.

The previous prime is 56015000661083. The next prime is 56015000661247. The reversal of 56015000661227 is 72216600051065.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 56015000661227 - 2⁴⁰ = 54915489033451 is a prime.

It is a super-2 number, since 2×56015000661227² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (56015000661247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28007500330613 + 28007500330614.

It is an arithmetic number, because the mean of its divisors is an integer number (28007500330614).

Almost surely, 2^{56015000661227} is an apocalyptic number.

56015000661227 is a deficient number, since it is larger than the sum of its proper divisors (1).

56015000661227 is an equidigital number, since it uses as much as digits as its factorization.

56015000661227 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 151200, while the sum is 41.

The spelling of 56015000661227 in words is "fifty-six trillion, fifteen billion, six hundred sixty-one thousand, two hundred twenty-seven".