1160531540 has 48 divisors (see below), whose sum is σ = 2787867264. Its totient is φ = 397526400.

The previous prime is 1160531507. The next prime is 1160531551. The reversal of 1160531540 is 451350611.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 177530 + ... + 183950.

It is an arithmetic number, because the mean of its divisors is an integer number (58080568).

Almost surely, 2^1160531540 is an apocalyptic number.

1160531540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1160531540 is an abundant number, since it is smaller than the sum of its proper divisors (1627335724).

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

1160531540 is a wasteful number, since it uses less digits than its factorization.

1160531540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7728 (or 7726 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 26.

The square root of 1160531540 is about 34066.5751140322. The cubic root of 1160531540 is about 1050.8780380432.

The spelling of 1160531540 in words is "one billion, one hundred sixty million, five hundred thirty-one thousand, five hundred forty".