25113503636 has 96 divisors (see below), whose sum is σ = 50019984000. Its totient is φ = 10951008768.

The previous prime is 25113503633. The next prime is 25113503647. The reversal of 25113503636 is 63630531152.

It is a junction number, because it is equal to n+sod(n) for n = 25113503596 and 25113503605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25113503633) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 24644735 + ... + 24645753.

It is an arithmetic number, because the mean of its divisors is an integer number (521041500).

Almost surely, 2^25113503636 is an apocalyptic number.

25113503636 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

25113503636 is a deficient number, since it is larger than the sum of its proper divisors (24906480364).

25113503636 is a wasteful number, since it uses less digits than its factorization.

25113503636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1401 (or 1399 counting only the distinct ones).

The product of its (nonzero) digits is 48600, while the sum is 35.

The spelling of 25113503636 in words is "twenty-five billion, one hundred thirteen million, five hundred three thousand, six hundred thirty-six".