11012521525 has 24 divisors (see below), whose sum is σ = 13923957024. Its totient is φ = 8637096000.

The previous prime is 11012521501. The next prime is 11012521537. The reversal of 11012521525 is 52512521011.

It is a happy number.

11012521525 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11012521525 - 2¹⁷ = 11012390453 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11012521525.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2365450 + ... + 2370100.

It is an arithmetic number, because the mean of its divisors is an integer number (580164876).

Almost surely, 2^11012521525 is an apocalyptic number.

It is an amenable number.

11012521525 is a deficient number, since it is larger than the sum of its proper divisors (2911435499).

11012521525 is a wasteful number, since it uses less digits than its factorization.

11012521525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6501 (or 6496 counting only the distinct ones).

The product of its (nonzero) digits is 1000, while the sum is 25.

The spelling of 11012521525 in words is "eleven billion, twelve million, five hundred twenty-one thousand, five hundred twenty-five".