1315042124791 has 2 divisors, whose sum is σ = 1315042124792. Its totient is φ = 1315042124790.

The previous prime is 1315042124777. The next prime is 1315042124827. The reversal of 1315042124791 is 1974212405131.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1315042124791 - 2¹⁷ = 1315041993719 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1315042125791) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 657521062395 + 657521062396.

It is an arithmetic number, because the mean of its divisors is an integer number (657521062396).

Almost surely, 2^{1315042124791} is an apocalyptic number.

1315042124791 is a deficient number, since it is larger than the sum of its proper divisors (1).

1315042124791 is an equidigital number, since it uses as much as digits as its factorization.

1315042124791 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 60480, while the sum is 40.

The spelling of 1315042124791 in words is "one trillion, three hundred fifteen billion, forty-two million, one hundred twenty-four thousand, seven hundred ninety-one".