91950048801 has 24 divisors (see below), whose sum is σ = 147506988960. Its totient is φ = 56584642608.

The previous prime is 91950048791. The next prime is 91950048821. The reversal of 91950048801 is 10884005919.

It is not a de Polignac number, because 91950048801 - 2⁶ = 91950048737 is a prime.

It is a super-2 number, since 2×91950048801² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (91950048821) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10071051 + ... + 10080176.

It is an arithmetic number, because the mean of its divisors is an integer number (6146124540).

Almost surely, 2^91950048801 is an apocalyptic number.

It is an amenable number.

91950048801 is a deficient number, since it is larger than the sum of its proper divisors (55556940159).

91950048801 is a wasteful number, since it uses less digits than its factorization.

91950048801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20151262 (or 20151243 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 45.

The spelling of 91950048801 in words is "ninety-one billion, nine hundred fifty million, forty-eight thousand, eight hundred one".