25105014016 has 18 divisors (see below), whose sum is σ = 50111962082. Its totient is φ = 12552506880.

The previous prime is 25105014007. The next prime is 25105014019. The reversal of 25105014016 is 61041050152.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 18430777600 + 6674236416 = 135760^2 + 81696^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25105014019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49032975 + ... + 49033486.

Almost surely, 2^25105014016 is an apocalyptic number.

It is an amenable number.

25105014016 is a deficient number, since it is larger than the sum of its proper divisors (25006948066).

25105014016 is an frugal number, since it uses more digits than its factorization.

25105014016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98066477 (or 98066463 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 25.

Adding to 25105014016 its reverse (61041050152), we get a palindrome (86146064168).

The spelling of 25105014016 in words is "twenty-five billion, one hundred five million, fourteen thousand, sixteen".