25405264164303 has 8 divisors (see below), whose sum is σ = 37637428391600. Its totient is φ = 16936842776184.

The previous prime is 25405264164299. The next prime is 25405264164347. The reversal of 25405264164303 is 30346146250452.

25405264164303 is a `hidden beast` number, since 2 + 5 + 40 + 526 + 41 + 6 + 43 + 0 + 3 = 666.

It is not a de Polignac number, because 25405264164303 - 2² = 25405264164299 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25405264164803) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 470467854868 + ... + 470467854921.

It is an arithmetic number, because the mean of its divisors is an integer number (4704678548950).

Almost surely, 2^{25405264164303} is an apocalyptic number.

25405264164303 is a deficient number, since it is larger than the sum of its proper divisors (12232164227297).

25405264164303 is an equidigital number, since it uses as much as digits as its factorization.

25405264164303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 940935709798 (or 940935709792 counting only the distinct ones).

The product of its (nonzero) digits is 2073600, while the sum is 45.

The spelling of 25405264164303 in words is "twenty-five trillion, four hundred five billion, two hundred sixty-four million, one hundred sixty-four thousand, three hundred three".