56156030311 has 2 divisors, whose sum is σ = 56156030312. Its totient is φ = 56156030310.

The previous prime is 56156030237. The next prime is 56156030323. The reversal of 56156030311 is 11303065165.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 56156030311 - 2²⁵ = 56122475879 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56156090311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28078015155 + 28078015156.

It is an arithmetic number, because the mean of its divisors is an integer number (28078015156).

Almost surely, 2^56156030311 is an apocalyptic number.

56156030311 is a deficient number, since it is larger than the sum of its proper divisors (1).

56156030311 is an equidigital number, since it uses as much as digits as its factorization.

56156030311 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8100, while the sum is 31.

Adding to 56156030311 its reverse (11303065165), we get a palindrome (67459095476).

The spelling of 56156030311 in words is "fifty-six billion, one hundred fifty-six million, thirty thousand, three hundred eleven".