91455118351 has 2 divisors, whose sum is σ = 91455118352. Its totient is φ = 91455118350.

The previous prime is 91455118343. The next prime is 91455118367. The reversal of 91455118351 is 15381155419.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 91455118351 - 2³ = 91455118343 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 91455118298 and 91455118307.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (91455112351) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45727559175 + 45727559176.

It is an arithmetic number, because the mean of its divisors is an integer number (45727559176).

Almost surely, 2^91455118351 is an apocalyptic number.

91455118351 is a deficient number, since it is larger than the sum of its proper divisors (1).

91455118351 is an equidigital number, since it uses as much as digits as its factorization.

91455118351 is an evil number, because the sum of its binary digits is even.

The product of its digits is 108000, while the sum is 43.

The spelling of 91455118351 in words is "ninety-one billion, four hundred fifty-five million, one hundred eighteen thousand, three hundred fifty-one".