25405552411 has 2 divisors, whose sum is σ = 25405552412. Its totient is φ = 25405552410.

The previous prime is 25405552373. The next prime is 25405552427. The reversal of 25405552411 is 11425550452.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 25405552411 - 2¹⁷ = 25405421339 is a prime.

It is not a weakly prime, because it can be changed into another prime (25405558411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12702776205 + 12702776206.

It is an arithmetic number, because the mean of its divisors is an integer number (12702776206).

Almost surely, 2^25405552411 is an apocalyptic number.

25405552411 is a deficient number, since it is larger than the sum of its proper divisors (1).

25405552411 is an equidigital number, since it uses as much as digits as its factorization.

25405552411 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 40000, while the sum is 34.

The spelling of 25405552411 in words is "twenty-five billion, four hundred five million, five hundred fifty-two thousand, four hundred eleven".