25025503012 has 12 divisors (see below), whose sum is σ = 44536912560. Its totient is φ = 12300670856.

The previous prime is 25025503007. The next prime is 25025503081. The reversal of 25025503012 is 21030552052.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53019898 + ... + 53020369.

It is an arithmetic number, because the mean of its divisors is an integer number (3711409380).

Almost surely, 2^25025503012 is an apocalyptic number.

It is an amenable number.

25025503012 is a deficient number, since it is larger than the sum of its proper divisors (19511409548).

25025503012 is a wasteful number, since it uses less digits than its factorization.

25025503012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106040330 (or 106040328 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 25.

The spelling of 25025503012 in words is "twenty-five billion, twenty-five million, five hundred three thousand, twelve".