25505800825773 has 16 divisors (see below), whose sum is σ = 34150793564160. Its totient is φ = 16932340850544.

The previous prime is 25505800825751. The next prime is 25505800825819. The reversal of 25505800825773 is 37752800850552.

It is not a de Polignac number, because 25505800825773 - 2⁶ = 25505800825709 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25505800825073) 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, 33540240 + ... + 34292262.

It is an arithmetic number, because the mean of its divisors is an integer number (2134424597760).

Almost surely, 2^{25505800825773} is an apocalyptic number.

It is an amenable number.

25505800825773 is a deficient number, since it is larger than the sum of its proper divisors (8644992738387).

25505800825773 is a wasteful number, since it uses less digits than its factorization.

25505800825773 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 799568.

The product of its (nonzero) digits is 23520000, while the sum is 57.

The spelling of 25505800825773 in words is "twenty-five trillion, five hundred five billion, eight hundred million, eight hundred twenty-five thousand, seven hundred seventy-three".