315660123451091 has 2 divisors, whose sum is σ = 315660123451092. Its totient is φ = 315660123451090.

The previous prime is 315660123451063. The next prime is 315660123451111. The reversal of 315660123451091 is 190154321066513.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 315660123451091 - 2¹⁴ = 315660123434707 is a prime.

It is not a weakly prime, because it can be changed into another prime (315660123451021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 157830061725545 + 157830061725546.

It is an arithmetic number, because the mean of its divisors is an integer number (157830061725546).

Almost surely, 2^{315660123451091} is an apocalyptic number.

315660123451091 is a deficient number, since it is larger than the sum of its proper divisors (1).

315660123451091 is an equidigital number, since it uses as much as digits as its factorization.

315660123451091 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 583200, while the sum is 47.

The spelling of 315660123451091 in words is "three hundred fifteen trillion, six hundred sixty billion, one hundred twenty-three million, four hundred fifty-one thousand, ninety-one".