1115137925 has 24 divisors (see below), whose sum is σ = 1519381920. Its totient is φ = 805147200.

The previous prime is 1115137879. The next prime is 1115137927. The reversal of 1115137925 is 5297315111.

It is not a de Polignac number, because 1115137925 - 2⁸ = 1115137669 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1115137927) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 23639 + ... + 52811.

It is an arithmetic number, because the mean of its divisors is an integer number (63307580).

Almost surely, 2^1115137925 is an apocalyptic number.

It is an amenable number.

1115137925 is a deficient number, since it is larger than the sum of its proper divisors (404243995).

1115137925 is a wasteful number, since it uses less digits than its factorization.

1115137925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29333 (or 29328 counting only the distinct ones).

The product of its digits is 9450, while the sum is 35.

The square root of 1115137925 is about 33393.6809142089. The cubic root of 1115137925 is about 1036.9938848537.

The spelling of 1115137925 in words is "one billion, one hundred fifteen million, one hundred thirty-seven thousand, nine hundred twenty-five".