1161542724 has 48 divisors (see below), whose sum is σ = 2764989696. Its totient is φ = 379411200.

The previous prime is 1161542717. The next prime is 1161542743. The reversal of 1161542724 is 4272451611.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 202869 + ... + 208515.

It is an arithmetic number, because the mean of its divisors is an integer number (57603952).

Almost surely, 2^1161542724 is an apocalyptic number.

It is an amenable number.

1161542724 is an abundant number, since it is smaller than the sum of its proper divisors (1603446972).

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

1161542724 is a wasteful number, since it uses less digits than its factorization.

1161542724 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5996 (or 5994 counting only the distinct ones).

The product of its digits is 13440, while the sum is 33.

The square root of 1161542724 is about 34081.4131749257. The cubic root of 1161542724 is about 1051.1831633366.

The spelling of 1161542724 in words is "one billion, one hundred sixty-one million, five hundred forty-two thousand, seven hundred twenty-four".