11525582577 has 4 divisors (see below), whose sum is σ = 15367443440. Its totient is φ = 7683721716.

The previous prime is 11525582461. The next prime is 11525582587. The reversal of 11525582577 is 77528552511.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 11525582577 - 2¹⁰ = 11525581553 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11525582587) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1920930427 + ... + 1920930432.

It is an arithmetic number, because the mean of its divisors is an integer number (3841860860).

Almost surely, 2^11525582577 is an apocalyptic number.

It is an amenable number.

11525582577 is a deficient number, since it is larger than the sum of its proper divisors (3841860863).

11525582577 is an equidigital number, since it uses as much as digits as its factorization.

11525582577 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3841860862.

The product of its digits is 980000, while the sum is 48.

The spelling of 11525582577 in words is "eleven billion, five hundred twenty-five million, five hundred eighty-two thousand, five hundred seventy-seven".