1115248572 has 36 divisors (see below), whose sum is σ = 2820513696. Its totient is φ = 371563200.

The previous prime is 1115248553. The next prime is 1115248579. The reversal of 1115248572 is 2758425111.

It is a happy number.

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 a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1115248579) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 78048 + ... + 91224.

Almost surely, 2^1115248572 is an apocalyptic number.

1115248572 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1115248572 is an abundant number, since it is smaller than the sum of its proper divisors (1705265124).

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

1115248572 is a wasteful number, since it uses less digits than its factorization.

1115248572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15538 (or 15533 counting only the distinct ones).

The product of its digits is 22400, while the sum is 36.

The square root of 1115248572 is about 33395.3375787699. The cubic root of 1115248572 is about 1037.0281814984.

The spelling of 1115248572 in words is "one billion, one hundred fifteen million, two hundred forty-eight thousand, five hundred seventy-two".