91266540125 has 32 divisors (see below), whose sum is σ = 114841718784. Its totient is φ = 72411024000.

The previous prime is 91266540107. The next prime is 91266540179. The reversal of 91266540125 is 52104566219.

It is not a de Polignac number, because 91266540125 - 2⁸ = 91266539869 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 25189064 + ... + 25192686.

It is an arithmetic number, because the mean of its divisors is an integer number (3588803712).

Almost surely, 2^91266540125 is an apocalyptic number.

It is an amenable number.

91266540125 is a deficient number, since it is larger than the sum of its proper divisors (23575178659).

91266540125 is a wasteful number, since it uses less digits than its factorization.

91266540125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5246 (or 5236 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 41.

The spelling of 91266540125 in words is "ninety-one billion, two hundred sixty-six million, five hundred forty thousand, one hundred twenty-five".