5156111006551 has 2 divisors, whose sum is σ = 5156111006552. Its totient is φ = 5156111006550.

The previous prime is 5156111006509. The next prime is 5156111006567. The reversal of 5156111006551 is 1556001116515.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 5156111006551 - 2¹¹ = 5156111004503 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 5156111006551.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5156111006251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2578055503275 + 2578055503276.

It is an arithmetic number, because the mean of its divisors is an integer number (2578055503276).

Almost surely, 2^{5156111006551} is an apocalyptic number.

5156111006551 is a deficient number, since it is larger than the sum of its proper divisors (1).

5156111006551 is an equidigital number, since it uses as much as digits as its factorization.

5156111006551 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 22500, while the sum is 37.

The spelling of 5156111006551 in words is "five trillion, one hundred fifty-six billion, one hundred eleven million, six thousand, five hundred fifty-one".