1151887760 has 40 divisors (see below), whose sum is σ = 2681881920. Its totient is φ = 460111232.

The previous prime is 1151887727. The next prime is 1151887799. The reversal of 1151887760 is 677881511.

It is a tau number, because it is divible by the number of its divisors (40).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49751 + ... + 69129.

It is an arithmetic number, because the mean of its divisors is an integer number (67047048).

Almost surely, 2^1151887760 is an apocalyptic number.

1151887760 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1151887760 is an abundant number, since it is smaller than the sum of its proper divisors (1529994160).

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

1151887760 is a wasteful number, since it uses less digits than its factorization.

1151887760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20135 (or 20129 counting only the distinct ones).

The product of its (nonzero) digits is 94080, while the sum is 44.

The square root of 1151887760 is about 33939.4720053215. The cubic root of 1151887760 is about 1048.2625112058.

The spelling of 1151887760 in words is "one billion, one hundred fifty-one million, eight hundred eighty-seven thousand, seven hundred sixty".