2155189500083 has 8 divisors (see below), whose sum is σ = 2215556364336. Its totient is φ = 2095194124800.

The previous prime is 2155189500073. The next prime is 2155189500091. The reversal of 2155189500083 is 3800059815512.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2155189500083 - 2⁴ = 2155189500067 is a prime.

It is a super-2 number, since 2×2155189500083² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2155189500073) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 92860478 + ... + 92883683.

It is an arithmetic number, because the mean of its divisors is an integer number (276944545542).

Almost surely, 2^{2155189500083} is an apocalyptic number.

2155189500083 is a deficient number, since it is larger than the sum of its proper divisors (60366864253).

2155189500083 is a wasteful number, since it uses less digits than its factorization.

2155189500083 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185744485.

The product of its (nonzero) digits is 432000, while the sum is 47.

The spelling of 2155189500083 in words is "two trillion, one hundred fifty-five billion, one hundred eighty-nine million, five hundred thousand, eighty-three".