91126074056 has 32 divisors (see below), whose sum is σ = 176661062400. Its totient is φ = 44021257920.

The previous prime is 91126074041. The next prime is 91126074071. The reversal of 91126074056 is 65047062119.

It is an interprime number because it is at equal distance from previous prime (91126074041) and next prime (91126074071).

It is a super-2 number, since 2×91126074056² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 147686 + ... + 451733.

It is an arithmetic number, because the mean of its divisors is an integer number (5520658200).

Almost surely, 2^91126074056 is an apocalyptic number.

It is an amenable number.

91126074056 is a deficient number, since it is larger than the sum of its proper divisors (85534988344).

91126074056 is a wasteful number, since it uses less digits than its factorization.

91126074056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 600069 (or 600065 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 41.

The spelling of 91126074056 in words is "ninety-one billion, one hundred twenty-six million, seventy-four thousand, fifty-six".