1115371680 has 48 divisors (see below), whose sum is σ = 3513422304. Its totient is φ = 297432320.

The previous prime is 1115371651. The next prime is 1115371721. The reversal of 1115371680 is 861735111.

It is a tau number, because it is divible by the number of its divisors (48).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1161366 + ... + 1162325.

It is an arithmetic number, because the mean of its divisors is an integer number (73196298).

Almost surely, 2^1115371680 is an apocalyptic number.

1115371680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1115371680 is an abundant number, since it is smaller than the sum of its proper divisors (2398050624).

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

1115371680 is a wasteful number, since it uses less digits than its factorization.

1115371680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2323709 (or 2323701 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 33.

The square root of 1115371680 is about 33397.1807193362. The cubic root of 1115371680 is about 1037.0663379451.

The spelling of 1115371680 in words is "one billion, one hundred fifteen million, three hundred seventy-one thousand, six hundred eighty".