3125155440388 has 12 divisors (see below), whose sum is σ = 5790729198492. Its totient is φ = 1470661383680.

The previous prime is 3125155440317. The next prime is 3125155440391. The reversal of 3125155440388 is 8830445515213.

3125155440388 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 2763367626244 + 361787814144 = 1662338^2 + 601488^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22979084053 + ... + 22979084188.

It is an arithmetic number, because the mean of its divisors is an integer number (482560766541).

Almost surely, 2^{3125155440388} is an apocalyptic number.

It is an amenable number.

3125155440388 is a deficient number, since it is larger than the sum of its proper divisors (2665573758104).

3125155440388 is a wasteful number, since it uses less digits than its factorization.

3125155440388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45958168262 (or 45958168260 counting only the distinct ones).

The product of its (nonzero) digits is 2304000, while the sum is 49.

The spelling of 3125155440388 in words is "three trillion, one hundred twenty-five billion, one hundred fifty-five million, four hundred forty thousand, three hundred eighty-eight".