25235463252536 has 16 divisors (see below), whose sum is σ = 47964664744800. Its totient is φ = 12444885987264.

The previous prime is 25235463252497. The next prime is 25235463252539. The reversal of 25235463252536 is 63525236453252.

It is a super-2 number, since 2×25235463252536² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25235463252539) 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, 21605704256 + ... + 21605705423.

It is an arithmetic number, because the mean of its divisors is an integer number (2997791546550).

Almost surely, 2^{25235463252536} is an apocalyptic number.

It is an amenable number.

25235463252536 is a deficient number, since it is larger than the sum of its proper divisors (22729201492264).

25235463252536 is a wasteful number, since it uses less digits than its factorization.

25235463252536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43211409758 (or 43211409754 counting only the distinct ones).

The product of its digits is 38880000, while the sum is 53.

The spelling of 25235463252536 in words is "twenty-five trillion, two hundred thirty-five billion, four hundred sixty-three million, two hundred fifty-two thousand, five hundred thirty-six".