11320503125 has 24 divisors (see below), whose sum is σ = 14170780512. Its totient is φ = 9042930000.

The previous prime is 11320503109. The next prime is 11320503137. The reversal of 11320503125 is 52130502311.

It is a happy number.

It is not a de Polignac number, because 11320503125 - 2⁴ = 11320503109 is a prime.

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 11320503125.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2457074 + ... + 2461676.

It is an arithmetic number, because the mean of its divisors is an integer number (590449188).

Almost surely, 2^11320503125 is an apocalyptic number.

It is an amenable number.

11320503125 is a deficient number, since it is larger than the sum of its proper divisors (2850277387).

11320503125 is an frugal number, since it uses more digits than its factorization.

11320503125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5415 (or 5395 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 23.

The spelling of 11320503125 in words is "eleven billion, three hundred twenty million, five hundred three thousand, one hundred twenty-five".