1150978560 has 80 divisors (see below), whose sum is σ = 3679559136. Its totient is φ = 306925568.

The previous prime is 1150978559. The next prime is 1150978567. The reversal of 1150978560 is 658790511.

It is a tau number, because it is divible by the number of its divisors (80).

It is not an unprimeable number, because it can be changed into a prime (1150978567) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67254 + ... + 82613.

Almost surely, 2^1150978560 is an apocalyptic number.

1150978560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1150978560 is an abundant number, since it is smaller than the sum of its proper divisors (2528580576).

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

1150978560 is an equidigital number, since it uses as much as digits as its factorization.

1150978560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149893 (or 149877 counting only the distinct ones).

The product of its (nonzero) digits is 75600, while the sum is 42.

The square root of 1150978560 is about 33926.0749277013. The cubic root of 1150978560 is about 1047.9866361950.

The spelling of 1150978560 in words is "one billion, one hundred fifty million, nine hundred seventy-eight thousand, five hundred sixty".