11520224125 has 32 divisors (see below), whose sum is σ = 14618163456. Its totient is φ = 9063000000.

The previous prime is 11520224087. The next prime is 11520224137. The reversal of 11520224125 is 52142202511.

It is not a de Polignac number, because 11520224125 - 2¹³ = 11520215933 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 11520224125.

It is a congruent number.

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, 1903354 + ... + 1909396.

It is an arithmetic number, because the mean of its divisors is an integer number (456817608).

Almost surely, 2^11520224125 is an apocalyptic number.

It is an amenable number.

11520224125 is a deficient number, since it is larger than the sum of its proper divisors (3097939331).

11520224125 is a wasteful number, since it uses less digits than its factorization.

11520224125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6310 (or 6300 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 25.

Adding to 11520224125 its reverse (52142202511), we get a palindrome (63662426636).

The spelling of 11520224125 in words is "eleven billion, five hundred twenty million, two hundred twenty-four thousand, one hundred twenty-five".