25955075163 has 8 divisors (see below), whose sum is σ = 34942755328. Its totient is φ = 17135389224.

The previous prime is 25955075149. The next prime is 25955075183. The reversal of 25955075163 is 36157055952.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 25955075163 - 2¹⁶ = 25955009627 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25955075123) 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, 41998195 + ... + 41998812.

It is an arithmetic number, because the mean of its divisors is an integer number (4367844416).

Almost surely, 2^25955075163 is an apocalyptic number.

25955075163 is a deficient number, since it is larger than the sum of its proper divisors (8987680165).

25955075163 is a wasteful number, since it uses less digits than its factorization.

25955075163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83997113.

The product of its (nonzero) digits is 1417500, while the sum is 48.

The spelling of 25955075163 in words is "twenty-five billion, nine hundred fifty-five million, seventy-five thousand, one hundred sixty-three".