25450612612 has 24 divisors (see below), whose sum is σ = 45502845696. Its totient is φ = 12449997888.

The previous prime is 25450612591. The next prime is 25450612673. The reversal of 25450612612 is 21621605452.

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 7 ways as a sum of consecutive naturals, for example, 522448 + ... + 569080.

It is an arithmetic number, because the mean of its divisors is an integer number (1895951904).

Almost surely, 2^25450612612 is an apocalyptic number.

It is an amenable number.

25450612612 is a deficient number, since it is larger than the sum of its proper divisors (20052233084).

25450612612 is a wasteful number, since it uses less digits than its factorization.

25450612612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49587 (or 49585 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 34.

The spelling of 25450612612 in words is "twenty-five billion, four hundred fifty million, six hundred twelve thousand, six hundred twelve".