91540282108 has 48 divisors (see below), whose sum is σ = 183331330560. Its totient is φ = 39608542400.

The previous prime is 91540282081. The next prime is 91540282111. The reversal of 91540282108 is 80128204519.

It is a congruent 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, 414616 + ... + 595807.

It is an arithmetic number, because the mean of its divisors is an integer number (3819402720).

Almost surely, 2^91540282108 is an apocalyptic number.

It is an amenable number.

91540282108 is an abundant number, since it is smaller than the sum of its proper divisors (91791048452).

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

91540282108 is a wasteful number, since it uses less digits than its factorization.

91540282108 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1010538 (or 1010536 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 40.

The spelling of 91540282108 in words is "ninety-one billion, five hundred forty million, two hundred eighty-two thousand, one hundred eight".