11525211120 has 80 divisors (see below), whose sum is σ = 35752747392. Its totient is φ = 3071274240.

The previous prime is 11525211053. The next prime is 11525211127. The reversal of 11525211120 is 2111252511.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11525211127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 349755 + ... + 381285.

Almost surely, 2^11525211120 is an apocalyptic number.

11525211120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11525211120 is an abundant number, since it is smaller than the sum of its proper divisors (24227536272).

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

11525211120 is a wasteful number, since it uses less digits than its factorization.

11525211120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33070 (or 33064 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 21.

Adding to 11525211120 its reverse (2111252511), we get a palindrome (13636463631).

The spelling of 11525211120 in words is "eleven billion, five hundred twenty-five million, two hundred eleven thousand, one hundred twenty".