2115425705 has 12 divisors (see below), whose sum is σ = 2679150852. Its totient is φ = 1603268640.

The previous prime is 2115425701. The next prime is 2115425717. The reversal of 2115425705 is 5075245112.

It can be written as a sum of positive squares in 2 ways, for example, as 212372329 + 1903053376 = 14573^2 + 43624^2 .

It is not a de Polignac number, because 2115425705 - 2² = 2115425701 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2115425701) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 584186 + ... + 587795.

It is an arithmetic number, because the mean of its divisors is an integer number (223262571).

Almost surely, 2^2115425705 is an apocalyptic number.

It is an amenable number.

2115425705 is a deficient number, since it is larger than the sum of its proper divisors (563725147).

2115425705 is a wasteful number, since it uses less digits than its factorization.

2115425705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1172024 (or 1172005 counting only the distinct ones).

The product of its (nonzero) digits is 14000, while the sum is 32.

The square root of 2115425705 is about 45993.7572394341. The cubic root of 2115425705 is about 1283.7070483359.

The spelling of 2115425705 in words is "two billion, one hundred fifteen million, four hundred twenty-five thousand, seven hundred five".