91711361 has 16 divisors (see below), whose sum is σ = 108761088. Its totient is φ = 75675600.

The previous prime is 91711351. The next prime is 91711387. The reversal of 91711361 is 16311719.

It is not a de Polignac number, because 91711361 - 2²⁶ = 24602497 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (91711331) 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, 44786 + ... + 46788.

It is an arithmetic number, because the mean of its divisors is an integer number (6797568).

Almost surely, 2^91711361 is an apocalyptic number.

It is an amenable number.

91711361 is a deficient number, since it is larger than the sum of its proper divisors (17049727).

91711361 is a wasteful number, since it uses less digits than its factorization.

91711361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2252.

The product of its digits is 1134, while the sum is 29.

The square root of 91711361 is about 9576.6048785569. The cubic root of 91711361 is about 450.9631404005.

The spelling of 91711361 in words is "ninety-one million, seven hundred eleven thousand, three hundred sixty-one".