11131120325 has 12 divisors (see below), whose sum is σ = 14864327268. Its totient is φ = 8219904000.

The previous prime is 11131120321. The next prime is 11131120331. The reversal of 11131120325 is 52302113111.

It can be written as a sum of positive squares in 6 ways, for example, as 20484676 + 11110635649 = 4526^2 + 105407^2 .

It is not a de Polignac number, because 11131120325 - 2² = 11131120321 is a prime.

It is a super-3 number, since 3×11131120325³ (a number of 31 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11131120297 and 11131120306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11131120321) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17124476 + ... + 17125125.

It is an arithmetic number, because the mean of its divisors is an integer number (1238693939).

Almost surely, 2^11131120325 is an apocalyptic number.

It is an amenable number.

11131120325 is a deficient number, since it is larger than the sum of its proper divisors (3733206943).

11131120325 is a wasteful number, since it uses less digits than its factorization.

11131120325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34249624 (or 34249619 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 20.

Adding to 11131120325 its reverse (52302113111), we get a palindrome (63433233436).

The spelling of 11131120325 in words is "eleven billion, one hundred thirty-one million, one hundred twenty thousand, three hundred twenty-five".