5310112561961 has 2 divisors, whose sum is σ = 5310112561962. Its totient is φ = 5310112561960.

The previous prime is 5310112561889. The next prime is 5310112561969. The reversal of 5310112561961 is 1691652110135.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3191868096400 + 2118244465561 = 1786580^2 + 1455419^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5310112561961 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (5310112561969) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2655056280980 + 2655056280981.

It is an arithmetic number, because the mean of its divisors is an integer number (2655056280981).

Almost surely, 2^{5310112561961} is an apocalyptic number.

It is an amenable number.

5310112561961 is a deficient number, since it is larger than the sum of its proper divisors (1).

5310112561961 is an equidigital number, since it uses as much as digits as its factorization.

5310112561961 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48600, while the sum is 41.

The spelling of 5310112561961 in words is "five trillion, three hundred ten billion, one hundred twelve million, five hundred sixty-one thousand, nine hundred sixty-one".