25523687037225 has 48 divisors (see below), whose sum is σ = 45535601284992. Its totient is φ = 12540526095360.

The previous prime is 25523687037187. The next prime is 25523687037287. The reversal of 25523687037225 is 52273078632552.

It is not a de Polignac number, because 25523687037225 - 2¹⁷ = 25523686906153 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 25531584 + ... + 26512433.

It is an arithmetic number, because the mean of its divisors is an integer number (948658360104).

Almost surely, 2^{25523687037225} is an apocalyptic number.

25523687037225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

25523687037225 is a deficient number, since it is larger than the sum of its proper divisors (20011914247767).

25523687037225 is a wasteful number, since it uses less digits than its factorization.

25523687037225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52044546 (or 52044541 counting only the distinct ones).

The product of its (nonzero) digits is 42336000, while the sum is 57.

The spelling of 25523687037225 in words is "twenty-five trillion, five hundred twenty-three billion, six hundred eighty-seven million, thirty-seven thousand, two hundred twenty-five".