25878862515233 has 16 divisors (see below), whose sum is σ = 31851113083776. Its totient is φ = 20475451503360.

The previous prime is 25878862515227. The next prime is 25878862515271. The reversal of 25878862515233 is 33251526887852.

It is a happy number.

It is not a de Polignac number, because 25878862515233 - 2⁶ = 25878862515169 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 25878862515233.

It is not an unprimeable number, because it can be changed into a prime (25878862515283) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14733593 + ... + 16396233.

It is an arithmetic number, because the mean of its divisors is an integer number (1990694567736).

Almost surely, 2^{25878862515233} is an apocalyptic number.

It is an amenable number.

25878862515233 is a deficient number, since it is larger than the sum of its proper divisors (5972250568543).

25878862515233 is a wasteful number, since it uses less digits than its factorization.

25878862515233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1833704.

The product of its digits is 193536000, while the sum is 65.

The spelling of 25878862515233 in words is "twenty-five trillion, eight hundred seventy-eight billion, eight hundred sixty-two million, five hundred fifteen thousand, two hundred thirty-three".