1013315155091 has 2 divisors, whose sum is σ = 1013315155092. Its totient is φ = 1013315155090.

The previous prime is 1013315155081. The next prime is 1013315155159. The reversal of 1013315155091 is 1905515133101.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1013315155091 - 2²⁶ = 1013248046227 is a prime.

It is not a weakly prime, because it can be changed into another prime (1013315155031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 506657577545 + 506657577546.

It is an arithmetic number, because the mean of its divisors is an integer number (506657577546).

Almost surely, 2^{1013315155091} is an apocalyptic number.

1013315155091 is a deficient number, since it is larger than the sum of its proper divisors (1).

1013315155091 is an equidigital number, since it uses as much as digits as its factorization.

1013315155091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10125, while the sum is 35.

The spelling of 1013315155091 in words is "one trillion, thirteen billion, three hundred fifteen million, one hundred fifty-five thousand, ninety-one".