90561115 has 8 divisors (see below), whose sum is σ = 108763200. Its totient is φ = 72388992.

The previous prime is 90561109. The next prime is 90561127. The reversal of 90561115 is 51116509.

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

It is a cyclic number.

It is not a de Polignac number, because 90561115 - 2¹¹ = 90559067 is a prime.

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, 190 + ... + 13459.

It is an arithmetic number, because the mean of its divisors is an integer number (13595400).

Almost surely, 2^90561115 is an apocalyptic number.

90561115 is a deficient number, since it is larger than the sum of its proper divisors (18202085).

90561115 is a wasteful number, since it uses less digits than its factorization.

90561115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14981.

The product of its (nonzero) digits is 1350, while the sum is 28.

The square root of 90561115 is about 9516.3603861981. The cubic root of 90561115 is about 449.0698730385.

The spelling of 90561115 in words is "ninety million, five hundred sixty-one thousand, one hundred fifteen".