315411125191 has 2 divisors, whose sum is σ = 315411125192. Its totient is φ = 315411125190.

The previous prime is 315411125189. The next prime is 315411125233. The reversal of 315411125191 is 191521114513.

It is a weak prime.

It is an emirp because it is prime and its reverse (191521114513) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 315411125191 - 2¹ = 315411125189 is a prime.

Together with 315411125189, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (315411125171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 157705562595 + 157705562596.

It is an arithmetic number, because the mean of its divisors is an integer number (157705562596).

Almost surely, 2^315411125191 is an apocalyptic number.

315411125191 is a deficient number, since it is larger than the sum of its proper divisors (1).

315411125191 is an equidigital number, since it uses as much as digits as its factorization.

315411125191 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5400, while the sum is 34.

The spelling of 315411125191 in words is "three hundred fifteen billion, four hundred eleven million, one hundred twenty-five thousand, one hundred ninety-one".