25055495148 has 12 divisors (see below), whose sum is σ = 58462822040. Its totient is φ = 8351831712.

The previous prime is 25055495147. The next prime is 25055495183. The reversal of 25055495148 is 84159455052.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×25055495148² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 25055495097 and 25055495106.

It is not an unprimeable number, because it can be changed into a prime (25055495141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1043978953 + ... + 1043978976.

Almost surely, 2^25055495148 is an apocalyptic number.

It is an amenable number.

25055495148 is an abundant number, since it is smaller than the sum of its proper divisors (33407326892).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25055495148 is a wasteful number, since it uses less digits than its factorization.

25055495148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2087957936 (or 2087957934 counting only the distinct ones).

The product of its (nonzero) digits is 1440000, while the sum is 48.

The spelling of 25055495148 in words is "twenty-five billion, fifty-five million, four hundred ninety-five thousand, one hundred forty-eight".