1113745572 has 48 divisors (see below), whose sum is σ = 3039467200. Its totient is φ = 351708480.

The previous prime is 1113745499. The next prime is 1113745579. The reversal of 1113745572 is 2755473111.

1113745572 is a `hidden beast` number, since 1 + 1 + 13 + 74 + 5 + 572 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (1113745579) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 269329 + ... + 273432.

Almost surely, 2^1113745572 is an apocalyptic number.

1113745572 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1113745572 is an abundant number, since it is smaller than the sum of its proper divisors (1925721628).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1113745572 is a wasteful number, since it uses less digits than its factorization.

1113745572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 542793 (or 542785 counting only the distinct ones).

The product of its digits is 29400, while the sum is 36.

The square root of 1113745572 is about 33372.8268505981. The cubic root of 1113745572 is about 1036.5621107915.

The spelling of 1113745572 in words is "one billion, one hundred thirteen million, seven hundred forty-five thousand, five hundred seventy-two".