11525589490 has 64 divisors (see below), whose sum is σ = 21383631360. Its totient is φ = 4471200000.

The previous prime is 11525589473. The next prime is 11525589511. The reversal of 11525589490 is 9498552511.

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, 15346615 + ... + 15347365.

It is an arithmetic number, because the mean of its divisors is an integer number (334119240).

Almost surely, 2^11525589490 is an apocalyptic number.

11525589490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11525589490 is a deficient number, since it is larger than the sum of its proper divisors (9858041870).

11525589490 is a wasteful number, since it uses less digits than its factorization.

11525589490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1139.

The product of its (nonzero) digits is 648000, while the sum is 49.

The spelling of 11525589490 in words is "eleven billion, five hundred twenty-five million, five hundred eighty-nine thousand, four hundred ninety".