11572580535 has 32 divisors (see below), whose sum is σ = 18833169600. Its totient is φ = 6066508800.

The previous prime is 11572580491. The next prime is 11572580543. The reversal of 11572580535 is 53508527511.

It is not a de Polignac number, because 11572580535 - 2⁷ = 11572580407 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1571041 + ... + 1578389.

It is an arithmetic number, because the mean of its divisors is an integer number (588536550).

Almost surely, 2^11572580535 is an apocalyptic number.

11572580535 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

11572580535 is a deficient number, since it is larger than the sum of its proper divisors (7260589065).

11572580535 is a wasteful number, since it uses less digits than its factorization.

11572580535 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9139.

The product of its (nonzero) digits is 210000, while the sum is 42.

The spelling of 11572580535 in words is "eleven billion, five hundred seventy-two million, five hundred eighty thousand, five hundred thirty-five".