7115591 has 8 divisors (see below), whose sum is σ = 8330784. Its totient is φ = 5950080.

The previous prime is 7115567. The next prime is 7115593. The reversal of 7115591 is 1955117.

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 7115591 - 2¹⁴ = 7099207 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7115593) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12110 + ... + 12683.

It is an arithmetic number, because the mean of its divisors is an integer number (1041348).

Almost surely, 2^7115591 is an apocalyptic number.

7115591 is a deficient number, since it is larger than the sum of its proper divisors (1215193).

7115591 is a wasteful number, since it uses less digits than its factorization.

7115591 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24841.

The product of its digits is 1575, while the sum is 29.

The square root of 7115591 is about 2667.5065135816. The cubic root of 7115591 is about 192.3403162170.

The spelling of 7115591 in words is "seven million, one hundred fifteen thousand, five hundred ninety-one".