1153351180818 has 24 divisors (see below), whose sum is σ = 2499074370000. Its totient is φ = 384427807224.

The previous prime is 1153351180789. The next prime is 1153351180871. The reversal of 1153351180818 is 8180811533511.

1153351180818 is a `hidden beast` number, since 1 + 1 + 53 + 3 + 511 + 8 + 0 + 81 + 8 = 666.

It is a super-2 number, since 2×1153351180818² (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 11 ways as a sum of consecutive naturals, for example, 1565868 + ... + 2181431.

It is an arithmetic number, because the mean of its divisors is an integer number (104128098750).

Almost surely, 2^{1153351180818} is an apocalyptic number.

1153351180818 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

1153351180818 is an abundant number, since it is smaller than the sum of its proper divisors (1345723189182).

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

1153351180818 is a wasteful number, since it uses less digits than its factorization.

1153351180818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3764406 (or 3764403 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 45.

The spelling of 1153351180818 in words is "one trillion, one hundred fifty-three billion, three hundred fifty-one million, one hundred eighty thousand, eight hundred eighteen".