11525518004 has 96 divisors (see below), whose sum is σ = 27112915200. Its totient is φ = 4140149760.

The previous prime is 11525518003. The next prime is 11525518021. The reversal of 11525518004 is 40081552511.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11525518001) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6441542 + ... + 6443330.

It is an arithmetic number, because the mean of its divisors is an integer number (282426200).

Almost surely, 2^11525518004 is an apocalyptic number.

11525518004 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11525518004, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13556457600).

11525518004 is an abundant number, since it is smaller than the sum of its proper divisors (15587397196).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11525518004 is a wasteful number, since it uses less digits than its factorization.

11525518004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3433 (or 3431 counting only the distinct ones).

The product of its (nonzero) digits is 8000, while the sum is 32.

The spelling of 11525518004 in words is "eleven billion, five hundred twenty-five million, five hundred eighteen thousand, four".