25150013890 has 16 divisors (see below), whose sum is σ = 45285757632. Its totient is φ = 10056509424.

The previous prime is 25150013869. The next prime is 25150013897. The reversal of 25150013890 is 9831005152.

It is not an unprimeable number, because it can be changed into a prime (25150013897) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 406704 + ... + 464443.

It is an arithmetic number, because the mean of its divisors is an integer number (2830359852).

Almost surely, 2^25150013890 is an apocalyptic number.

25150013890 is a deficient number, since it is larger than the sum of its proper divisors (20135743742).

25150013890 is a wasteful number, since it uses less digits than its factorization.

25150013890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 874041.

The product of its (nonzero) digits is 10800, while the sum is 34.

The spelling of 25150013890 in words is "twenty-five billion, one hundred fifty million, thirteen thousand, eight hundred ninety".