25965029155 has 16 divisors (see below), whose sum is σ = 33558900480. Its totient is φ = 19171836288.

The previous prime is 25965029149. The next prime is 25965029179. The reversal of 25965029155 is 55192056952.

It is a cyclic number.

It is not a de Polignac number, because 25965029155 - 2¹¹ = 25965027107 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 25965029099 and 25965029108.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 658734 + ... + 697036.

It is an arithmetic number, because the mean of its divisors is an integer number (2097431280).

Almost surely, 2^25965029155 is an apocalyptic number.

25965029155 is a deficient number, since it is larger than the sum of its proper divisors (7593871325).

25965029155 is a wasteful number, since it uses less digits than its factorization.

25965029155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48750.

The product of its (nonzero) digits is 1215000, while the sum is 49.

The spelling of 25965029155 in words is "twenty-five billion, nine hundred sixty-five million, twenty-nine thousand, one hundred fifty-five".