13071109917091 has 2 divisors, whose sum is σ = 13071109917092. Its totient is φ = 13071109917090.

The previous prime is 13071109917029. The next prime is 13071109917139. The reversal of 13071109917091 is 19071990117031.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13071109917091 - 2¹⁵ = 13071109884323 is a prime.

It is not a weakly prime, because it can be changed into another prime (13071119917091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6535554958545 + 6535554958546.

It is an arithmetic number, because the mean of its divisors is an integer number (6535554958546).

Almost surely, 2^{13071109917091} is an apocalyptic number.

13071109917091 is a deficient number, since it is larger than the sum of its proper divisors (1).

13071109917091 is an equidigital number, since it uses as much as digits as its factorization.

13071109917091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 107163, while the sum is 49.

The spelling of 13071109917091 in words is "thirteen trillion, seventy-one billion, one hundred nine million, nine hundred seventeen thousand, ninety-one".