25401801148 has 6 divisors (see below), whose sum is σ = 44453152016. Its totient is φ = 12700900572.

The previous prime is 25401801143. The next prime is 25401801203. The reversal of 25401801148 is 84110810452.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25401801143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3175225140 + ... + 3175225147.

Almost surely, 2^25401801148 is an apocalyptic number.

It is an amenable number.

25401801148 is a deficient number, since it is larger than the sum of its proper divisors (19051350868).

25401801148 is a wasteful number, since it uses less digits than its factorization.

25401801148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6350450291 (or 6350450289 counting only the distinct ones).

The product of its (nonzero) digits is 10240, while the sum is 34.

The spelling of 25401801148 in words is "twenty-five billion, four hundred one million, eight hundred one thousand, one hundred forty-eight".