25250250278 has 16 divisors (see below), whose sum is σ = 41727690000. Its totient is φ = 11363748000.

The previous prime is 25250250271. The next prime is 25250250307. The reversal of 25250250278 is 87205205252.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25250250271) 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, 5679653 + ... + 5684096.

It is an arithmetic number, because the mean of its divisors is an integer number (2607980625).

Almost surely, 2^25250250278 is an apocalyptic number.

25250250278 is a deficient number, since it is larger than the sum of its proper divisors (16477439722).

25250250278 is a wasteful number, since it uses less digits than its factorization.

25250250278 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11363863.

The product of its (nonzero) digits is 112000, while the sum is 38.

The spelling of 25250250278 in words is "twenty-five billion, two hundred fifty million, two hundred fifty thousand, two hundred seventy-eight".