91455118359 has 16 divisors (see below), whose sum is σ = 137612718720. Its totient is φ = 53516056160.

The previous prime is 91455118351. The next prime is 91455118367. The reversal of 91455118359 is 95381155419.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (91455118351) and next prime (91455118367).

It is a cyclic number.

It is not a de Polignac number, because 91455118359 - 2³ = 91455118351 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (91455118351) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47781237 + ... + 47783150.

It is an arithmetic number, because the mean of its divisors is an integer number (8600794920).

Almost surely, 2^91455118359 is an apocalyptic number.

91455118359 is a deficient number, since it is larger than the sum of its proper divisors (46157600361).

91455118359 is a wasteful number, since it uses less digits than its factorization.

91455118359 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95564430.

The product of its digits is 972000, while the sum is 51.

The spelling of 91455118359 in words is "ninety-one billion, four hundred fifty-five million, one hundred eighteen thousand, three hundred fifty-nine".