25403416404003 has 12 divisors (see below), whose sum is σ = 40029625848888. Its totient is φ = 15396009941760.

The previous prime is 25403416403977. The next prime is 25403416404071. The reversal of 25403416404003 is 30040461430452.

25403416404003 is a `hidden beast` number, since 2 + 5 + 4 + 0 + 3 + 4 + 1 + 640 + 4 + 0 + 0 + 3 = 666.

It is not a de Polignac number, because 25403416404003 - 2¹⁰ = 25403416402979 is a prime.

It is not an unprimeable number, because it can be changed into a prime (25403416404103) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 128300082750 + ... + 128300082947.

It is an arithmetic number, because the mean of its divisors is an integer number (3335802154074).

Almost surely, 2^{25403416404003} is an apocalyptic number.

25403416404003 is a deficient number, since it is larger than the sum of its proper divisors (14626209444885).

25403416404003 is a wasteful number, since it uses less digits than its factorization.

25403416404003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 256600165714 (or 256600165711 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 36.

Adding to 25403416404003 its reverse (30040461430452), we get a palindrome (55443877834455).

The spelling of 25403416404003 in words is "twenty-five trillion, four hundred three billion, four hundred sixteen million, four hundred four thousand, three".