5051561115631 has 2 divisors, whose sum is σ = 5051561115632. Its totient is φ = 5051561115630.

The previous prime is 5051561115611. The next prime is 5051561115641. The reversal of 5051561115631 is 1365111651505.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 5051561115631 - 2³⁵ = 5017201377263 is a prime.

It is a super-2 number, since 2×5051561115631² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5051561115611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2525780557815 + 2525780557816.

It is an arithmetic number, because the mean of its divisors is an integer number (2525780557816).

Almost surely, 2^{5051561115631} is an apocalyptic number.

5051561115631 is a deficient number, since it is larger than the sum of its proper divisors (1).

5051561115631 is an equidigital number, since it uses as much as digits as its factorization.

5051561115631 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 67500, while the sum is 40.

The spelling of 5051561115631 in words is "five trillion, fifty-one billion, five hundred sixty-one million, one hundred fifteen thousand, six hundred thirty-one".