25054245148 has 12 divisors (see below), whose sum is σ = 44038080072. Its totient is φ = 12471936560.

The previous prime is 25054245131. The next prime is 25054245149. The reversal of 25054245148 is 84154245052.

It is a self number, because there is not a number n which added to its sum of digits gives 25054245148.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25054245149) 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, 13795483 + ... + 13797298.

It is an arithmetic number, because the mean of its divisors is an integer number (3669840006).

Almost surely, 2^25054245148 is an apocalyptic number.

It is an amenable number.

25054245148 is a deficient number, since it is larger than the sum of its proper divisors (18983834924).

25054245148 is a wasteful number, since it uses less digits than its factorization.

25054245148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27593012 (or 27593010 counting only the distinct ones).

The product of its (nonzero) digits is 256000, while the sum is 40.

The spelling of 25054245148 in words is "twenty-five billion, fifty-four million, two hundred forty-five thousand, one hundred forty-eight".