188252722945 has 96 divisors (see below), whose sum is σ = 288887536800. Its totient is φ = 117282988032.

The previous prime is 188252722927. The next prime is 188252722963. The reversal of 188252722945 is 549227252881.

188252722945 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (188252722927) and next prime (188252722963).

It can be written as a sum of positive squares in 16 ways, for example, as 2584807281 + 185667915664 = 50841^2 + 430892^2 .

It is not a de Polignac number, because 188252722945 - 2⁵ = 188252722913 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 34904169 + ... + 34909561.

It is an arithmetic number, because the mean of its divisors is an integer number (3009245175).

Almost surely, 2^188252722945 is an apocalyptic number.

It is an amenable number.

188252722945 is a deficient number, since it is larger than the sum of its proper divisors (100634813855).

188252722945 is an equidigital number, since it uses as much as digits as its factorization.

188252722945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5492 (or 5451 counting only the distinct ones).

The product of its digits is 6451200, while the sum is 55.

The spelling of 188252722945 in words is "one hundred eighty-eight billion, two hundred fifty-two million, seven hundred twenty-two thousand, nine hundred forty-five".