25505852835101 has 2 divisors, whose sum is σ = 25505852835102. Its totient is φ = 25505852835100.

The previous prime is 25505852835097. The next prime is 25505852835139. The reversal of 25505852835101 is 10153825850552.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 25130910929476 + 374941905625 = 5013074^2 + 612325^2 .

It is a cyclic number.

It is not a de Polignac number, because 25505852835101 - 2² = 25505852835097 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 25505852835101.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25505872835101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12752926417550 + 12752926417551.

It is an arithmetic number, because the mean of its divisors is an integer number (12752926417551).

Almost surely, 2^{25505852835101} is an apocalyptic number.

It is an amenable number.

25505852835101 is a deficient number, since it is larger than the sum of its proper divisors (1).

25505852835101 is an equidigital number, since it uses as much as digits as its factorization.

25505852835101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2400000, while the sum is 50.

The spelling of 25505852835101 in words is "twenty-five trillion, five hundred five billion, eight hundred fifty-two million, eight hundred thirty-five thousand, one hundred one".