1153685880185 has 24 divisors (see below), whose sum is σ = 1478866351680. Its totient is φ = 863804574464.

The previous prime is 1153685880169. The next prime is 1153685880209. The reversal of 1153685880185 is 5810885863511.

It is a happy number.

It is not a de Polignac number, because 1153685880185 - 2⁴ = 1153685880169 is a prime.

It is a super-2 number, since 2×1153685880185² (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 23 ways as a sum of consecutive naturals, for example, 1971509 + ... + 2488818.

It is an arithmetic number, because the mean of its divisors is an integer number (61619431320).

Almost surely, 2^{1153685880185} is an apocalyptic number.

It is an amenable number.

1153685880185 is a deficient number, since it is larger than the sum of its proper divisors (325180471495).

1153685880185 is a wasteful number, since it uses less digits than its factorization.

1153685880185 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4460545 (or 4460528 counting only the distinct ones).

The product of its (nonzero) digits is 9216000, while the sum is 59.

The spelling of 1153685880185 in words is "one trillion, one hundred fifty-three billion, six hundred eighty-five million, eight hundred eighty thousand, one hundred eighty-five".