1159534992 has 80 divisors (see below), whose sum is σ = 3734618112. Its totient is φ = 301176960.

The previous prime is 1159534951. The next prime is 1159535053. The reversal of 1159534992 is 2994359511.

It is a Harshad number since it is a multiple of its sum of digits (48).

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, 153168 + ... + 160559.

Almost surely, 2^1159534992 is an apocalyptic number.

1159534992 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1159534992 is an abundant number, since it is smaller than the sum of its proper divisors (2575083120).

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

1159534992 is a wasteful number, since it uses less digits than its factorization.

1159534992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 313756 (or 313750 counting only the distinct ones).

The product of its digits is 437400, while the sum is 48.

The square root of 1159534992 is about 34051.9454950815. The cubic root of 1159534992 is about 1050.5771557114.

It can be divided in two parts, 1159534 and 992, that added together give a triangular number (1160526 = T₁₅₂₃).

The spelling of 1159534992 in words is "one billion, one hundred fifty-nine million, five hundred thirty-four thousand, nine hundred ninety-two".