91151486676137 has 2 divisors, whose sum is σ = 91151486676138. Its totient is φ = 91151486676136.

The previous prime is 91151486676049. The next prime is 91151486676139. The reversal of 91151486676137 is 73167668415119.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 91059611610256 + 91875065881 = 9542516^2 + 303109^2 .

It is a cyclic number.

It is not a de Polignac number, because 91151486676137 - 2²⁰ = 91151485627561 is a prime.

Together with 91151486676139, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (91151486676139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45575743338068 + 45575743338069.

It is an arithmetic number, because the mean of its divisors is an integer number (45575743338069).

Almost surely, 2^{91151486676137} is an apocalyptic number.

It is an amenable number.

91151486676137 is a deficient number, since it is larger than the sum of its proper divisors (1).

91151486676137 is an equidigital number, since it uses as much as digits as its factorization.

91151486676137 is an evil number, because the sum of its binary digits is even.

The product of its digits is 45722880, while the sum is 65.

The spelling of 91151486676137 in words is "ninety-one trillion, one hundred fifty-one billion, four hundred eighty-six million, six hundred seventy-six thousand, one hundred thirty-seven".