1157783906880 has 140 divisors (see below), whose sum is σ = 4118441133180. Its totient is φ = 308742368256.

The previous prime is 1157783906879. The next prime is 1157783906911. The reversal of 1157783906880 is 886093877511.

1157783906880 is a `hidden beast` number, since 115 + 7 + 78 + 390 + 68 + 8 + 0 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 462748225536 + 695035681344 = 680256^2 + 833688^2 .

It is a super-2 number, since 2×1157783906880² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 22307875 + ... + 22359714.

Almost surely, 2^{1157783906880} is an apocalyptic number.

1157783906880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1157783906880 is an abundant number, since it is smaller than the sum of its proper divisors (2960657226300).

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

1157783906880 is an equidigital number, since it uses as much as digits as its factorization.

1157783906880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44667618 (or 44667599 counting only the distinct ones).

The product of its (nonzero) digits is 20321280, while the sum is 63.

The spelling of 1157783906880 in words is "one trillion, one hundred fifty-seven billion, seven hundred eighty-three million, nine hundred six thousand, eight hundred eighty".