13512277091 has 2 divisors, whose sum is σ = 13512277092. Its totient is φ = 13512277090.

The previous prime is 13512277073. The next prime is 13512277109. The reversal of 13512277091 is 19077221531.

Together with next prime (13512277109) it forms an Ormiston pair, because they use the same digits, order apart.

It is a balanced prime because it is at equal distance from previous prime (13512277073) and next prime (13512277109).

It is a cyclic number.

It is not a de Polignac number, because 13512277091 - 2¹⁰ = 13512276067 is a prime.

It is not a weakly prime, because it can be changed into another prime (13512277991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6756138545 + 6756138546.

It is an arithmetic number, because the mean of its divisors is an integer number (6756138546).

Almost surely, 2^13512277091 is an apocalyptic number.

13512277091 is a deficient number, since it is larger than the sum of its proper divisors (1).

13512277091 is an equidigital number, since it uses as much as digits as its factorization.

13512277091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 26460, while the sum is 38.

The spelling of 13512277091 in words is "thirteen billion, five hundred twelve million, two hundred seventy-seven thousand, ninety-one".