1113729525 has 36 divisors (see below), whose sum is σ = 2014605060. Its totient is φ = 588096000.

The previous prime is 1113729523. The next prime is 1113729557. The reversal of 1113729525 is 5259273111.

It can be written as a sum of positive squares in 6 ways, for example, as 52664049 + 1061065476 = 7257^2 + 32574^2 .

It is not a de Polignac number, because 1113729525 - 2¹ = 1113729523 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1113729525.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1113729523) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1780 + ... + 47229.

Almost surely, 2^1113729525 is an apocalyptic number.

1113729525 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1113729525 is a deficient number, since it is larger than the sum of its proper divisors (900875535).

1113729525 is a wasteful number, since it uses less digits than its factorization.

1113729525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49126 (or 49118 counting only the distinct ones).

The product of its digits is 18900, while the sum is 36.

The square root of 1113729525 is about 33372.5864295832. The cubic root of 1113729525 is about 1036.5571324576.

The spelling of 1113729525 in words is "one billion, one hundred thirteen million, seven hundred twenty-nine thousand, five hundred twenty-five".