91113058 has 8 divisors (see below), whose sum is σ = 136711260. Its totient is φ = 45542640.

The previous prime is 91113049. The next prime is 91113059. The reversal of 91113058 is 85031119.

It can be written as a sum of positive squares in 2 ways, for example, as 48902049 + 42211009 = 6993^2 + 6497^2 .

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

It is a super-3 number, since 3×91113058³ (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (91113059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6328 + ... + 14908.

Almost surely, 2^91113058 is an apocalyptic number.

91113058 is a deficient number, since it is larger than the sum of its proper divisors (45598202).

91113058 is a wasteful number, since it uses less digits than its factorization.

91113058 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13892.

The product of its (nonzero) digits is 1080, while the sum is 28.

The square root of 91113058 is about 9545.3160241031. The cubic root of 91113058 is about 449.9803415281.

The spelling of 91113058 in words is "ninety-one million, one hundred thirteen thousand, fifty-eight".