1113762564 has 36 divisors (see below), whose sum is σ = 2868468876. Its totient is φ = 364248768.

The previous prime is 1113762547. The next prime is 1113762569. The reversal of 1113762564 is 4652673111.

1113762564 is a `hidden beast` number, since 1 + 1 + 1 + 37 + 62 + 564 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 845064900 + 268697664 = 29070^2 + 16392^2 .

It is a tau number, because it is divible by the number of its divisors (36).

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 (1113762569) 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 11 ways as a sum of consecutive naturals, for example, 289959 + ... + 293774.

It is an arithmetic number, because the mean of its divisors is an integer number (79679691).

Almost surely, 2^1113762564 is an apocalyptic number.

It is an amenable number.

1113762564 is an abundant number, since it is smaller than the sum of its proper divisors (1754706312).

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

1113762564 is a wasteful number, since it uses less digits than its factorization.

1113762564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 583796 (or 583791 counting only the distinct ones).

The product of its digits is 30240, while the sum is 36.

The square root of 1113762564 is about 33373.0814280012. The cubic root of 1113762564 is about 1036.5673822449.

The spelling of 1113762564 in words is "one billion, one hundred thirteen million, seven hundred sixty-two thousand, five hundred sixty-four".