25404411015103 has 2 divisors, whose sum is σ = 25404411015104. Its totient is φ = 25404411015102.

The previous prime is 25404411015059. The next prime is 25404411015131. The reversal of 25404411015103 is 30151011440452.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25404411015103 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25404411015133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12702205507551 + 12702205507552.

It is an arithmetic number, because the mean of its divisors is an integer number (12702205507552).

Almost surely, 2^{25404411015103} is an apocalyptic number.

25404411015103 is a deficient number, since it is larger than the sum of its proper divisors (1).

25404411015103 is an equidigital number, since it uses as much as digits as its factorization.

25404411015103 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9600, while the sum is 31.

Adding to 25404411015103 its reverse (30151011440452), we get a palindrome (55555422455555).

The spelling of 25404411015103 in words is "twenty-five trillion, four hundred four billion, four hundred eleven million, fifteen thousand, one hundred three".