25505253150 has 96 divisors (see below), whose sum is σ = 71080450560. Its totient is φ = 6005239680.

The previous prime is 25505253149. The next prime is 25505253199. The reversal of 25505253150 is 5135250552.

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 47 ways as a sum of consecutive naturals, for example, 239490 + ... + 329189.

It is an arithmetic number, because the mean of its divisors is an integer number (740421360).

Almost surely, 2^25505253150 is an apocalyptic number.

25505253150 is an abundant number, since it is smaller than the sum of its proper divisors (45575197410).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25505253150 is a wasteful number, since it uses less digits than its factorization.

25505253150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 568730 (or 568725 counting only the distinct ones).

The product of its (nonzero) digits is 37500, while the sum is 33.

The spelling of 25505253150 in words is "twenty-five billion, five hundred five million, two hundred fifty-three thousand, one hundred fifty".