25113446640416 has 48 divisors (see below), whose sum is σ = 50123320338168. Its totient is φ = 12383741491200.

The previous prime is 25113446640413. The next prime is 25113446640449. The reversal of 25113446640416 is 61404664431152.

It can be written as a sum of positive squares in 4 ways, for example, as 24117881712016 + 995564928400 = 4910996^2 + 997780^2 .

It is a super-2 number, since 2×25113446640416² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (25113446640413) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29814806 + ... + 30645546.

Almost surely, 2^{25113446640416} is an apocalyptic number.

It is an amenable number.

25113446640416 is a deficient number, since it is larger than the sum of its proper divisors (25009873697752).

25113446640416 is a wasteful number, since it uses less digits than its factorization.

25113446640416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 843765 (or 843757 counting only the distinct ones).

The product of its (nonzero) digits is 1658880, while the sum is 47.

The spelling of 25113446640416 in words is "twenty-five trillion, one hundred thirteen billion, four hundred forty-six million, six hundred forty thousand, four hundred sixteen".