25502150890 has 16 divisors (see below), whose sum is σ = 46456931808. Its totient is φ = 10077958096.

The previous prime is 25502150827. The next prime is 25502150893. The reversal of 25502150890 is 9805120552.

It is not an unprimeable number, because it can be changed into a prime (25502150893) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15361912 + ... + 15363571.

It is an arithmetic number, because the mean of its divisors is an integer number (2903558238).

Almost surely, 2^25502150890 is an apocalyptic number.

25502150890 is a deficient number, since it is larger than the sum of its proper divisors (20954780918).

25502150890 is a wasteful number, since it uses less digits than its factorization.

25502150890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30725573.

The product of its (nonzero) digits is 36000, while the sum is 37.

The spelling of 25502150890 in words is "twenty-five billion, five hundred two million, one hundred fifty thousand, eight hundred ninety".