6156155156551 has 2 divisors, whose sum is σ = 6156155156552. Its totient is φ = 6156155156550.

The previous prime is 6156155156519. The next prime is 6156155156579. The reversal of 6156155156551 is 1556515516516.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6156155156551 - 2⁵ = 6156155156519 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6156155156581) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3078077578275 + 3078077578276.

It is an arithmetic number, because the mean of its divisors is an integer number (3078077578276).

Almost surely, 2^{6156155156551} is an apocalyptic number.

6156155156551 is a deficient number, since it is larger than the sum of its proper divisors (1).

6156155156551 is an equidigital number, since it uses as much as digits as its factorization.

6156155156551 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3375000, while the sum is 52.

The spelling of 6156155156551 in words is "six trillion, one hundred fifty-six billion, one hundred fifty-five million, one hundred fifty-six thousand, five hundred fifty-one".