25045113550 has 48 divisors (see below), whose sum is σ = 47419621200. Its totient is φ = 9838656000.

The previous prime is 25045113469. The next prime is 25045113581. The reversal of 25045113550 is 5531154052.

It is a congruent 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 23 ways as a sum of consecutive naturals, for example, 3539416 + ... + 3546484.

It is an arithmetic number, because the mean of its divisors is an integer number (987908775).

Almost surely, 2^25045113550 is an apocalyptic number.

25045113550 is a deficient number, since it is larger than the sum of its proper divisors (22374507650).

25045113550 is a wasteful number, since it uses less digits than its factorization.

25045113550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8341 (or 8336 counting only the distinct ones).

The product of its (nonzero) digits is 15000, while the sum is 31.

The spelling of 25045113550 in words is "twenty-five billion, forty-five million, one hundred thirteen thousand, five hundred fifty".