1116978960 has 80 divisors (see below), whose sum is σ = 3467028096. Its totient is φ = 297483264.

The previous prime is 1116978943. The next prime is 1116978971. The reversal of 1116978960 is 698796111.

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

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, 222397 + ... + 227363.

Almost surely, 2^1116978960 is an apocalyptic number.

1116978960 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1116978960 is an abundant number, since it is smaller than the sum of its proper divisors (2350049136).

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

1116978960 is a wasteful number, since it uses less digits than its factorization.

1116978960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5920 (or 5914 counting only the distinct ones).

The product of its (nonzero) digits is 163296, while the sum is 48.

The square root of 1116978960 is about 33421.2351656847. The cubic root of 1116978960 is about 1037.5642455015.

The spelling of 1116978960 in words is "one billion, one hundred sixteen million, nine hundred seventy-eight thousand, nine hundred sixty".