1155792187860 has 48 divisors (see below), whose sum is σ = 3269581215936. Its totient is φ = 305033812992.

The previous prime is 1155792187843. The next prime is 1155792187867. The reversal of 1155792187860 is 687812975511.

It is a Harshad number since it is a multiple of its sum of digits (60).

It is a junction number, because it is equal to n+sod(n) for n = 1155792187794 and 1155792187803.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1155792187867) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 99289042 + ... + 99300681.

It is an arithmetic number, because the mean of its divisors is an integer number (68116275332).

Almost surely, 2^{1155792187860} is an apocalyptic number.

1155792187860 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1155792187860 is an abundant number, since it is smaller than the sum of its proper divisors (2113789028076).

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

1155792187860 is a wasteful number, since it uses less digits than its factorization.

1155792187860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198589832 (or 198589830 counting only the distinct ones).

The product of its (nonzero) digits is 8467200, while the sum is 60.

The spelling of 1155792187860 in words is "one trillion, one hundred fifty-five billion, seven hundred ninety-two million, one hundred eighty-seven thousand, eight hundred sixty".