26626275145 has 12 divisors (see below), whose sum is σ = 32749853580. Its totient is φ = 20781476480.

The previous prime is 26626275139. The next prime is 26626275163. The reversal of 26626275145 is 54157262662.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 19299599929 + 7326675216 = 138923^2 + 85596^2 .

It is a de Polignac number, because none of the positive numbers 2^k-26626275145 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 26626275095 and 26626275104.

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 11 ways as a sum of consecutive naturals, for example, 1575550 + ... + 1592359.

It is an arithmetic number, because the mean of its divisors is an integer number (2729154465).

Almost surely, 2^26626275145 is an apocalyptic number.

It is an amenable number.

26626275145 is a deficient number, since it is larger than the sum of its proper divisors (6123578435).

26626275145 is an equidigital number, since it uses as much as digits as its factorization.

26626275145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3167996 (or 3167955 counting only the distinct ones).

The product of its digits is 1209600, while the sum is 46.

The spelling of 26626275145 in words is "twenty-six billion, six hundred twenty-six million, two hundred seventy-five thousand, one hundred forty-five".