91141914120 has 64 divisors (see below), whose sum is σ = 273460536000. Its totient is φ = 24301417728.

The previous prime is 91141914113. The next prime is 91141914181. The reversal of 91141914120 is 2141914119.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 991471 + ... + 1079489.

It is an arithmetic number, because the mean of its divisors is an integer number (4272820875).

Almost surely, 2^91141914120 is an apocalyptic number.

It is an amenable number.

91141914120 is an abundant number, since it is smaller than the sum of its proper divisors (182318621880).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

91141914120 is a wasteful number, since it uses less digits than its factorization.

91141914120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96662 (or 96658 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 33.

The spelling of 91141914120 in words is "ninety-one billion, one hundred forty-one million, nine hundred fourteen thousand, one hundred twenty".