25388122005 has 40 divisors (see below), whose sum is σ = 45571705344. Its totient is φ = 13522140000.

The previous prime is 25388121973. The next prime is 25388122009. The reversal of 25388122005 is 50022188352.

It is not a de Polignac number, because 25388122005 - 2⁵ = 25388121973 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25388122009) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 262420 + ... + 345890.

Almost surely, 2^25388122005 is an apocalyptic number.

It is an amenable number.

25388122005 is a deficient number, since it is larger than the sum of its proper divisors (20183583339).

25388122005 is an equidigital number, since it uses as much as digits as its factorization.

25388122005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84239 (or 84230 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 36.

The spelling of 25388122005 in words is "twenty-five billion, three hundred eighty-eight million, one hundred twenty-two thousand, five".