5123291913161 has 2 divisors, whose sum is σ = 5123291913162. Its totient is φ = 5123291913160.

The previous prime is 5123291913137. The next prime is 5123291913167. The reversal of 5123291913161 is 1613191923215.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4598472804025 + 524819109136 = 2144405^2 + 724444^2 .

It is a cyclic number.

It is not a de Polignac number, because 5123291913161 - 2¹⁸ = 5123291651017 is a prime.

It is not a weakly prime, because it can be changed into another prime (5123291913167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2561645956580 + 2561645956581.

It is an arithmetic number, because the mean of its divisors is an integer number (2561645956581).

Almost surely, 2^{5123291913161} is an apocalyptic number.

It is an amenable number.

5123291913161 is a deficient number, since it is larger than the sum of its proper divisors (1).

5123291913161 is an equidigital number, since it uses as much as digits as its factorization.

5123291913161 is an evil number, because the sum of its binary digits is even.

The product of its digits is 87480, while the sum is 44.

The spelling of 5123291913161 in words is "five trillion, one hundred twenty-three billion, two hundred ninety-one million, nine hundred thirteen thousand, one hundred sixty-one".