91536115 has 16 divisors (see below), whose sum is σ = 121351680. Its totient is φ = 65725920.

The previous prime is 91536103. The next prime is 91536131. The reversal of 91536115 is 51163519.

It is not a de Polignac number, because 91536115 - 2⁷ = 91535987 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6189 + ... + 14878.

It is an arithmetic number, because the mean of its divisors is an integer number (7584480).

Almost surely, 2^91536115 is an apocalyptic number.

91536115 is a deficient number, since it is larger than the sum of its proper divisors (29815565).

91536115 is a wasteful number, since it uses less digits than its factorization.

91536115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21162.

The product of its digits is 4050, while the sum is 31.

The square root of 91536115 is about 9567.4508099075. The cubic root of 91536115 is about 450.6757173492.

The spelling of 91536115 in words is "ninety-one million, five hundred thirty-six thousand, one hundred fifteen".