3125115552 has 144 divisors (see below), whose sum is σ = 9011435328. Its totient is φ = 947681280.

The previous prime is 3125115401. The next prime is 3125115569. The reversal of 3125115552 is 2555115213.

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1150548 + ... + 1153260.

It is an arithmetic number, because the mean of its divisors is an integer number (62579412).

Almost surely, 2^3125115552 is an apocalyptic number.

3125115552 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3125115552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4505717664).

3125115552 is an abundant number, since it is smaller than the sum of its proper divisors (5886319776).

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

3125115552 is a wasteful number, since it uses less digits than its factorization.

3125115552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2823 (or 2802 counting only the distinct ones).

The product of its digits is 7500, while the sum is 30.

The square root of 3125115552 is about 55902.7329564486. The cubic root of 3125115552 is about 1462.0268889429.

The spelling of 3125115552 in words is "three billion, one hundred twenty-five million, one hundred fifteen thousand, five hundred fifty-two".