25223335155 has 12 divisors (see below), whose sum is σ = 43720447680. Its totient is φ = 13452445392.

The previous prime is 25223335103. The next prime is 25223335169. The reversal of 25223335155 is 55153332252.

25223335155 is a `hidden beast` number, since 2 + 522 + 3 + 33 + 51 + 55 = 666.

It is not a de Polignac number, because 25223335155 - 2¹³ = 25223326963 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 280259235 + ... + 280259324.

It is an arithmetic number, because the mean of its divisors is an integer number (3643370640).

Almost surely, 2^25223335155 is an apocalyptic number.

25223335155 is a deficient number, since it is larger than the sum of its proper divisors (18497112525).

25223335155 is a wasteful number, since it uses less digits than its factorization.

25223335155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 560518570 (or 560518567 counting only the distinct ones).

The product of its digits is 135000, while the sum is 36.

The spelling of 25223335155 in words is "twenty-five billion, two hundred twenty-three million, three hundred thirty-five thousand, one hundred fifty-five".