2148111325806 has 32 divisors (see below), whose sum is σ = 4401104059296. Its totient is φ = 698557632000.

The previous prime is 2148111325793. The next prime is 2148111325813. The reversal of 2148111325806 is 6085231118412.

It is a happy number.

It is a super-2 number, since 2×2148111325806² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

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, 19423386 + ... + 19533666.

It is an arithmetic number, because the mean of its divisors is an integer number (137534501853).

Almost surely, 2^{2148111325806} is an apocalyptic number.

2148111325806 is an abundant number, since it is smaller than the sum of its proper divisors (2252992733490).

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

2148111325806 is a wasteful number, since it uses less digits than its factorization.

2148111325806 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189508.

The product of its (nonzero) digits is 92160, while the sum is 42.

The spelling of 2148111325806 in words is "two trillion, one hundred forty-eight billion, one hundred eleven million, three hundred twenty-five thousand, eight hundred six".