5101111100051 has 2 divisors, whose sum is σ = 5101111100052. Its totient is φ = 5101111100050.

The previous prime is 5101111100027. The next prime is 5101111100119. The reversal of 5101111100051 is 1500011111015.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5101111100051 - 2²⁶ = 5101043991187 is a prime.

It is not a weakly prime, because it can be changed into another prime (5101111100021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2550555550025 + 2550555550026.

It is an arithmetic number, because the mean of its divisors is an integer number (2550555550026).

Almost surely, 2^{5101111100051} is an apocalyptic number.

5101111100051 is a deficient number, since it is larger than the sum of its proper divisors (1).

5101111100051 is an equidigital number, since it uses as much as digits as its factorization.

5101111100051 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 25, while the sum is 17.

Adding to 5101111100051 its reverse (1500011111015), we get a palindrome (6601122211066).

The spelling of 5101111100051 in words is "five trillion, one hundred one billion, one hundred eleven million, one hundred thousand, fifty-one".