25188069148 has 12 divisors (see below), whose sum is σ = 48086313912. Its totient is φ = 11449122320.

The previous prime is 25188069119. The next prime is 25188069149. The reversal of 25188069148 is 84196088152.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 25188069095 and 25188069104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25188069149) 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, 286228015 + ... + 286228102.

It is an arithmetic number, because the mean of its divisors is an integer number (4007192826).

Almost surely, 2^25188069148 is an apocalyptic number.

It is an amenable number.

25188069148 is a deficient number, since it is larger than the sum of its proper divisors (22898244764).

25188069148 is a wasteful number, since it uses less digits than its factorization.

25188069148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 572456132 (or 572456130 counting only the distinct ones).

The product of its (nonzero) digits is 1105920, while the sum is 52.

The spelling of 25188069148 in words is "twenty-five billion, one hundred eighty-eight million, sixty-nine thousand, one hundred forty-eight".