1150988580 has 72 divisors (see below), whose sum is σ = 3990098112. Its totient is φ = 263082816.

The previous prime is 1150988567. The next prime is 1150988599. The reversal of 1150988580 is 858890511.

1150988580 is a `hidden beast` number, since 11 + 50 + 9 + 8 + 8 + 580 = 666.

It is a super-2 number, since 2×1150988580² = 2649549422580832800, which contains 22 as substring.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 455482 + ... + 458001.

Almost surely, 2^1150988580 is an apocalyptic number.

1150988580 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1150988580 is an abundant number, since it is smaller than the sum of its proper divisors (2839109532).

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

1150988580 is a wasteful number, since it uses less digits than its factorization.

1150988580 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 913505 (or 913500 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 45.

The square root of 1150988580 is about 33926.2226014038. Note that the first 3 decimals coincide. The cubic root of 1150988580 is about 1047.9896773161.

The spelling of 1150988580 in words is "one billion, one hundred fifty million, nine hundred eighty-eight thousand, five hundred eighty".