26825615045 has 18 divisors (see below), whose sum is σ = 32596102098. Its totient is φ = 21193579968.

The previous prime is 26825615027. The next prime is 26825615053. The reversal of 26825615045 is 54051652862.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 2709316 + 26822905729 = 1646^2 + 163777^2 .

It is not a de Polignac number, because 26825615045 - 2⁸ = 26825614789 is a prime.

It is a super-2 number, since 2×26825615045² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 26825614987 and 26825615005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 32594504 + ... + 32595326.

It is an arithmetic number, because the mean of its divisors is an integer number (1810894561).

Almost surely, 2^26825615045 is an apocalyptic number.

It is an amenable number.

26825615045 is a deficient number, since it is larger than the sum of its proper divisors (5770487053).

26825615045 is an frugal number, since it uses more digits than its factorization.

26825615045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1829 (or 917 counting only the distinct ones).

The product of its (nonzero) digits is 576000, while the sum is 44.

The spelling of 26825615045 in words is "twenty-six billion, eight hundred twenty-five million, six hundred fifteen thousand, forty-five".