11115512325 has 18 divisors (see below), whose sum is σ = 19909118034. Its totient is φ = 5928273120.

The previous prime is 11115512321. The next prime is 11115512393. The reversal of 11115512325 is 52321551111.

It is a happy number.

11115512325 is a `hidden beast` number, since 1 + 1 + 115 + 512 + 32 + 5 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 2030944356 + 9084567969 = 45066^2 + 95313^2 .

It is not a de Polignac number, because 11115512325 - 2² = 11115512321 is a prime.

It is a super-2 number, since 2×11115512325² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11115512321) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 24700914 + ... + 24701363.

It is an arithmetic number, because the mean of its divisors is an integer number (1106062113).

Almost surely, 2^11115512325 is an apocalyptic number.

11115512325 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11115512325 is a deficient number, since it is larger than the sum of its proper divisors (8793605709).

11115512325 is a wasteful number, since it uses less digits than its factorization.

11115512325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49402293 (or 49402285 counting only the distinct ones).

The product of its digits is 1500, while the sum is 27.

The spelling of 11115512325 in words is "eleven billion, one hundred fifteen million, five hundred twelve thousand, three hundred twenty-five".