1180500803361 has 24 divisors (see below), whose sum is σ = 1905553409760. Its totient is φ = 698004907200.

The previous prime is 1180500803353. The next prime is 1180500803431. The reversal of 1180500803361 is 1633080050811.

1180500803361 is a `hidden beast` number, since 1 + 18 + 0 + 500 + 80 + 3 + 3 + 61 = 666.

It is not a de Polignac number, because 1180500803361 - 2³ = 1180500803353 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1180500803311) 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, 145413631 + ... + 145421748.

It is an arithmetic number, because the mean of its divisors is an integer number (79398058740).

Almost surely, 2^{1180500803361} is an apocalyptic number.

1180500803361 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1180500803361 is a deficient number, since it is larger than the sum of its proper divisors (725052606399).

1180500803361 is a wasteful number, since it uses less digits than its factorization.

1180500803361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 290835437 (or 290835434 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 36.

The spelling of 1180500803361 in words is "one trillion, one hundred eighty billion, five hundred million, eight hundred three thousand, three hundred sixty-one".