26081652145 has 16 divisors (see below), whose sum is σ = 31444607232. Its totient is φ = 20767743360.

The previous prime is 26081652139. The next prime is 26081652173. The reversal of 26081652145 is 54125618062.

It is not a de Polignac number, because 26081652145 - 2¹¹ = 26081650097 is a prime.

It is a super-3 number, since 3×26081652145³ (a number of 32 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 26081652098 and 26081652107.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1278949 + ... + 1299181.

It is an arithmetic number, because the mean of its divisors is an integer number (1965287952).

Almost surely, 2^26081652145 is an apocalyptic number.

It is an amenable number.

26081652145 is a deficient number, since it is larger than the sum of its proper divisors (5362955087).

26081652145 is a wasteful number, since it uses less digits than its factorization.

26081652145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21432.

The product of its (nonzero) digits is 115200, while the sum is 40.

The spelling of 26081652145 in words is "twenty-six billion, eighty-one million, six hundred fifty-two thousand, one hundred forty-five".