11331530125 has 8 divisors (see below), whose sum is σ = 14141749752. Its totient is φ = 9065224000.

The previous prime is 11331530113. The next prime is 11331530141. The reversal of 11331530125 is 52103513311.

It can be written as a sum of positive squares in 4 ways, for example, as 1318125636 + 10013404489 = 36306^2 + 100067^2 .

It is not a de Polignac number, because 11331530125 - 2⁹ = 11331529613 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 11331530125.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45325996 + ... + 45326245.

It is an arithmetic number, because the mean of its divisors is an integer number (1767718719).

Almost surely, 2^11331530125 is an apocalyptic number.

It is an amenable number.

11331530125 is a deficient number, since it is larger than the sum of its proper divisors (2810219627).

11331530125 is an frugal number, since it uses more digits than its factorization.

11331530125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90652256 (or 90652246 counting only the distinct ones).

The product of its (nonzero) digits is 1350, while the sum is 25.

The spelling of 11331530125 in words is "eleven billion, three hundred thirty-one million, five hundred thirty thousand, one hundred twenty-five".