25012541403 has 6 divisors (see below), whose sum is σ = 36129226484. Its totient is φ = 16675027596.

The previous prime is 25012541401. The next prime is 25012541417. The reversal of 25012541403 is 30414521052.

25012541403 is a `hidden beast` number, since 2 + 5 + 0 + 1 + 254 + 1 + 403 = 666.

It is not a de Polignac number, because 25012541403 - 2¹ = 25012541401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25012541401) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1389585625 + ... + 1389585642.

Almost surely, 2^25012541403 is an apocalyptic number.

25012541403 is a deficient number, since it is larger than the sum of its proper divisors (11116685081).

25012541403 is a wasteful number, since it uses less digits than its factorization.

25012541403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2779171273 (or 2779171270 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The spelling of 25012541403 in words is "twenty-five billion, twelve million, five hundred forty-one thousand, four hundred three".