91122952750 has 16 divisors (see below), whose sum is σ = 170582168016. Its totient is φ = 36449181000.

The previous prime is 91122952733. The next prime is 91122952751. The reversal of 91122952750 is 5725922119.

It is a junction number, because it is equal to n+sod(n) for n = 91122952697 and 91122952706.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (91122952751) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 182245656 + ... + 182246155.

It is an arithmetic number, because the mean of its divisors is an integer number (10661385501).

Almost surely, 2^91122952750 is an apocalyptic number.

91122952750 is a deficient number, since it is larger than the sum of its proper divisors (79459215266).

91122952750 is a wasteful number, since it uses less digits than its factorization.

91122952750 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 364491828 (or 364491818 counting only the distinct ones).

The product of its (nonzero) digits is 113400, while the sum is 43.

The spelling of 91122952750 in words is "ninety-one billion, one hundred twenty-two million, nine hundred fifty-two thousand, seven hundred fifty".