1180257788460 has 48 divisors (see below), whose sum is σ = 3448405368576. Its totient is φ = 301051261632.

The previous prime is 1180257788371. The next prime is 1180257788473. The reversal of 1180257788460 is 648877520811.

It is a self number, because there is not a number n which added to its sum of digits gives 1180257788460.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 427628254 + ... + 427631013.

It is an arithmetic number, because the mean of its divisors is an integer number (71841778512).

Almost surely, 2^{1180257788460} is an apocalyptic number.

1180257788460 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1180257788460 is an abundant number, since it is smaller than the sum of its proper divisors (2268147580116).

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

1180257788460 is a wasteful number, since it uses less digits than its factorization.

1180257788460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 855259302 (or 855259300 counting only the distinct ones).

The product of its (nonzero) digits is 6021120, while the sum is 57.

The spelling of 1180257788460 in words is "one trillion, one hundred eighty billion, two hundred fifty-seven million, seven hundred eighty-eight thousand, four hundred sixty".