91001010113 has 8 divisors (see below), whose sum is σ = 98297168256. Its totient is φ = 83747149200.

The previous prime is 91001010103. The next prime is 91001010119. The reversal of 91001010113 is 31101010019.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 91001010113 - 2²⁶ = 90933901249 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 91001010091 and 91001010100.

It is not an unprimeable number, because it can be changed into a prime (91001010119) 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, 10569833 + ... + 10578438.

It is an arithmetic number, because the mean of its divisors is an integer number (12287146032).

Almost surely, 2^91001010113 is an apocalyptic number.

It is an amenable number.

91001010113 is a deficient number, since it is larger than the sum of its proper divisors (7296158143).

91001010113 is a wasteful number, since it uses less digits than its factorization.

91001010113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21148615.

The product of its (nonzero) digits is 27, while the sum is 17.

The spelling of 91001010113 in words is "ninety-one billion, one million, ten thousand, one hundred thirteen".