91481411 has 16 divisors (see below), whose sum is σ = 107796480. Its totient is φ = 76010400.

The previous prime is 91481393. The next prime is 91481413. The reversal of 91481411 is 11418419.

It is a cyclic number.

It is not a de Polignac number, because 91481411 - 2⁶ = 91481347 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (91481413) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34586 + ... + 37136.

It is an arithmetic number, because the mean of its divisors is an integer number (6737280).

Almost surely, 2^91481411 is an apocalyptic number.

91481411 is a deficient number, since it is larger than the sum of its proper divisors (16315069).

91481411 is a wasteful number, since it uses less digits than its factorization.

91481411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2714.

The product of its digits is 1152, while the sum is 29.

The square root of 91481411 is about 9564.5915229036. The cubic root of 91481411 is about 450.5859215446.

The spelling of 91481411 in words is "ninety-one million, four hundred eighty-one thousand, four hundred eleven".