25140014025025 has 6 divisors (see below), whose sum is σ = 31173617391062. Its totient is φ = 20112011220000.

The previous prime is 25140014025013. The next prime is 25140014025029. The reversal of 25140014025025 is 52052041004152.

It can be written as a sum of positive squares in 3 ways, for example, as 7557490329921 + 17582523695104 = 2749089^2 + 4193152^2 .

It is a de Polignac number, because none of the positive numbers 2^k-25140014025025 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25140014025029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 502800280476 + ... + 502800280525.

Almost surely, 2^{25140014025025} is an apocalyptic number.

25140014025025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

25140014025025 is a deficient number, since it is larger than the sum of its proper divisors (6033603366037).

25140014025025 is a wasteful number, since it uses less digits than its factorization.

25140014025025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1005600561011 (or 1005600561006 counting only the distinct ones).

The product of its (nonzero) digits is 16000, while the sum is 31.

Adding to 25140014025025 its reverse (52052041004152), we get a palindrome (77192055029177).

The spelling of 25140014025025 in words is "twenty-five trillion, one hundred forty billion, fourteen million, twenty-five thousand, twenty-five".