25455540105 has 96 divisors (see below), whose sum is σ = 47284024320. Its totient is φ = 12640320000.

The previous prime is 25455540091. The next prime is 25455540137. The reversal of 25455540105 is 50104555452.

25455540105 is a `hidden beast` number, since 2 + 5 + 4 + 5 + 5 + 540 + 105 = 666.

It is not a de Polignac number, because 25455540105 - 2²¹ = 25453442953 is a prime.

It is a super-2 number, since 2×25455540105² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 25455540105.

It is an unprimeable number.

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 95 ways as a sum of consecutive naturals, for example, 13389655 + ... + 13391555.

It is an arithmetic number, because the mean of its divisors is an integer number (492541920).

Almost surely, 2^25455540105 is an apocalyptic number.

It is an amenable number.

25455540105 is a deficient number, since it is larger than the sum of its proper divisors (21828484215).

25455540105 is a wasteful number, since it uses less digits than its factorization.

25455540105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2303 (or 2300 counting only the distinct ones).

The product of its (nonzero) digits is 100000, while the sum is 36.

The spelling of 25455540105 in words is "twenty-five billion, four hundred fifty-five million, five hundred forty thousand, one hundred five".