25113620509672 has 16 divisors (see below), whose sum is σ = 47088258480900. Its totient is φ = 12556751581440.

The previous prime is 25113620509613. The next prime is 25113620509673. The reversal of 25113620509672 is 27690502631152.

It can be written as a sum of positive squares in 2 ways, for example, as 22001409400356 + 3112211109316 = 4690566^2 + 1764146^2 .

It is not an unprimeable number, because it can be changed into a prime (25113620509673) 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, 5487729 + ... + 8963392.

Almost surely, 2^{25113620509672} is an apocalyptic number.

It is an amenable number.

25113620509672 is a deficient number, since it is larger than the sum of its proper divisors (21974637971228).

25113620509672 is a wasteful number, since it uses less digits than its factorization.

25113620509672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14668356 (or 14668352 counting only the distinct ones).

The product of its (nonzero) digits is 1360800, while the sum is 49.

The spelling of 25113620509672 in words is "twenty-five trillion, one hundred thirteen billion, six hundred twenty million, five hundred nine thousand, six hundred seventy-two".