2153914185018 has 32 divisors (see below), whose sum is σ = 4316593881600. Its totient is φ = 716511190320.

The previous prime is 2153914184977. The next prime is 2153914185047. The reversal of 2153914185018 is 8105814193512.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12270433 + ... + 12444731.

It is an arithmetic number, because the mean of its divisors is an integer number (134893558800).

Almost surely, 2^{2153914185018} is an apocalyptic number.

2153914185018 is an abundant number, since it is smaller than the sum of its proper divisors (2162679696582).

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

2153914185018 is a wasteful number, since it uses less digits than its factorization.

2153914185018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178482.

The product of its (nonzero) digits is 345600, while the sum is 48.

The spelling of 2153914185018 in words is "two trillion, one hundred fifty-three billion, nine hundred fourteen million, one hundred eighty-five thousand, eighteen".