1145560680 has 96 divisors (see below), whose sum is σ = 4061547360. Its totient is φ = 277710720.

The previous prime is 1145560649. The next prime is 1145560681. The reversal of 1145560680 is 860655411.

1145560680 is a `hidden beast` number, since 1 + 1 + 45 + 5 + 606 + 8 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (1145560681) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 140682 + ... + 148601.

It is an arithmetic number, because the mean of its divisors is an integer number (42307785).

Almost surely, 2^1145560680 is an apocalyptic number.

1145560680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1145560680 is an abundant number, since it is smaller than the sum of its proper divisors (2915986680).

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

1145560680 is a wasteful number, since it uses less digits than its factorization.

1145560680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 289311 (or 289304 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 36.

The square root of 1145560680 is about 33846.1324230701. The cubic root of 1145560680 is about 1046.3396903279.

The spelling of 1145560680 in words is "one billion, one hundred forty-five million, five hundred sixty thousand, six hundred eighty".