25505852835105 has 32 divisors (see below), whose sum is σ = 45372823891200. Its totient is φ = 13594395856896.

The previous prime is 25505852835101. The next prime is 25505852835139. The reversal of 25505852835105 is 50153825850552.

25505852835105 is a `hidden beast` number, since 2 + 5 + 5 + 0 + 5 + 8 + 528 + 3 + 5 + 105 = 666.

It is not a de Polignac number, because 25505852835105 - 2² = 25505852835101 is a prime.

It is a super-2 number, since 2×25505852835105² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (25505852835101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 60383584 + ... + 60804513.

It is an arithmetic number, because the mean of its divisors is an integer number (1417900746600).

Almost surely, 2^{25505852835105} is an apocalyptic number.

It is an amenable number.

25505852835105 is a deficient number, since it is larger than the sum of its proper divisors (19866971056095).

25505852835105 is a wasteful number, since it uses less digits than its factorization.

25505852835105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121189670 (or 121189664 counting only the distinct ones).

The product of its (nonzero) digits is 12000000, while the sum is 54.

The spelling of 25505852835105 in words is "twenty-five trillion, five hundred five billion, eight hundred fifty-two million, eight hundred thirty-five thousand, one hundred five".