25268105612 has 12 divisors (see below), whose sum is σ = 44247129696. Its totient is φ = 12626068560.

The previous prime is 25268105591. The next prime is 25268105617. The reversal of 25268105612 is 21650186252.

It is a super-2 number, since 2×25268105612² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (25268105617) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1988939 + ... + 2001602.

It is an arithmetic number, because the mean of its divisors is an integer number (3687260808).

Almost surely, 2^25268105612 is an apocalyptic number.

It is an amenable number.

25268105612 is a deficient number, since it is larger than the sum of its proper divisors (18979024084).

25268105612 is a wasteful number, since it uses less digits than its factorization.

25268105612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3992128 (or 3992126 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 38.

The spelling of 25268105612 in words is "twenty-five billion, two hundred sixty-eight million, one hundred five thousand, six hundred twelve".