25011252502 has 16 divisors (see below), whose sum is σ = 38065939200. Its totient is φ = 12322797480.

The previous prime is 25011252479. The next prime is 25011252529. The reversal of 25011252502 is 20525211052.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 219949 + ... + 313687.

It is an arithmetic number, because the mean of its divisors is an integer number (2379121200).

Almost surely, 2^25011252502 is an apocalyptic number.

25011252502 is a deficient number, since it is larger than the sum of its proper divisors (13054686698).

25011252502 is a wasteful number, since it uses less digits than its factorization.

25011252502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95691.

The product of its (nonzero) digits is 2000, while the sum is 25.

Adding to 25011252502 its reverse (20525211052), we get a palindrome (45536463554).

The spelling of 25011252502 in words is "twenty-five billion, eleven million, two hundred fifty-two thousand, five hundred two".