3125641112 has 64 divisors (see below), whose sum is σ = 6726240000. Its totient is φ = 1348439680.

The previous prime is 3125641067. The next prime is 3125641117. The reversal of 3125641112 is 2111465213.

It is a super-2 number, since 2×3125641112² = 19539264722049193088, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3125641117) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 140189 + ... + 160947.

It is an arithmetic number, because the mean of its divisors is an integer number (105097500).

Almost surely, 2^3125641112 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3125641112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3363120000).

3125641112 is an abundant number, since it is smaller than the sum of its proper divisors (3600598888).

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

3125641112 is a wasteful number, since it uses less digits than its factorization.

3125641112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20864 (or 20860 counting only the distinct ones).

The product of its digits is 1440, while the sum is 26.

The square root of 3125641112 is about 55907.4334234724. The cubic root of 3125641112 is about 1462.1088421559.

The spelling of 3125641112 in words is "three billion, one hundred twenty-five million, six hundred forty-one thousand, one hundred twelve".