1113525611 has 24 divisors (see below), whose sum is σ = 1318474752. Its totient is φ = 936975600.

The previous prime is 1113525577. The next prime is 1113525613. The reversal of 1113525611 is 1165253111.

It is not a de Polignac number, because 1113525611 - 2³⁰ = 39783787 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1113525613) 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, 79820 + ... + 92726.

It is an arithmetic number, because the mean of its divisors is an integer number (54936448).

Almost surely, 2^1113525611 is an apocalyptic number.

1113525611 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1113525611 is a deficient number, since it is larger than the sum of its proper divisors (204949141).

1113525611 is a wasteful number, since it uses less digits than its factorization.

1113525611 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12983 (or 12972 counting only the distinct ones).

The product of its digits is 900, while the sum is 26.

The square root of 1113525611 is about 33369.5311774079. The cubic root of 1113525611 is about 1036.4938671232.

Adding to 1113525611 its reverse (1165253111), we get a palindrome (2278778722).

The spelling of 1113525611 in words is "one billion, one hundred thirteen million, five hundred twenty-five thousand, six hundred eleven".