91115354 has 16 divisors (see below), whose sum is σ = 149450400. Its totient is φ = 41318160.

The previous prime is 91115341. The next prime is 91115369. The reversal of 91115354 is 45351119.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5072 + ... + 14420.

It is an arithmetic number, because the mean of its divisors is an integer number (9340650).

Almost surely, 2^91115354 is an apocalyptic number.

91115354 is a deficient number, since it is larger than the sum of its proper divisors (58335046).

91115354 is a wasteful number, since it uses less digits than its factorization.

91115354 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9805.

The product of its digits is 2700, while the sum is 29.

The square root of 91115354 is about 9545.4362917574. The cubic root of 91115354 is about 449.9841212504.

The spelling of 91115354 in words is "ninety-one million, one hundred fifteen thousand, three hundred fifty-four".