25255195798 has 16 divisors (see below), whose sum is σ = 43328555424. Its totient is φ = 10815171840.

The previous prime is 25255195729. The next prime is 25255195799. The reversal of 25255195798 is 89759155252.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25255195799) 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, 688443 + ... + 724198.

It is an arithmetic number, because the mean of its divisors is an integer number (2708034714).

Almost surely, 2^25255195798 is an apocalyptic number.

25255195798 is a deficient number, since it is larger than the sum of its proper divisors (18073359626).

25255195798 is a wasteful number, since it uses less digits than its factorization.

25255195798 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1413927.

The product of its digits is 11340000, while the sum is 58.

The spelling of 25255195798 in words is "twenty-five billion, two hundred fifty-five million, one hundred ninety-five thousand, seven hundred ninety-eight".