25114505901 has 4 divisors (see below), whose sum is σ = 33486007872. Its totient is φ = 16743003932.

The previous prime is 25114505893. The next prime is 25114505917. The reversal of 25114505901 is 10950541152.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 25114505901 - 2³ = 25114505893 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25114505951) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4185750981 + ... + 4185750986.

It is an arithmetic number, because the mean of its divisors is an integer number (8371501968).

Almost surely, 2^25114505901 is an apocalyptic number.

It is an amenable number.

25114505901 is a deficient number, since it is larger than the sum of its proper divisors (8371501971).

25114505901 is an equidigital number, since it uses as much as digits as its factorization.

25114505901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8371501970.

The product of its (nonzero) digits is 9000, while the sum is 33.

The spelling of 25114505901 in words is "twenty-five billion, one hundred fourteen million, five hundred five thousand, nine hundred one".