26611121 has 2 divisors, whose sum is σ = 26611122. Its totient is φ = 26611120.

The previous prime is 26611099. The next prime is 26611157. The reversal of 26611121 is 12111662.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 24750625 + 1860496 = 4975^2 + 1364^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-26611121 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 26611093 and 26611102.

It is not a weakly prime, because it can be changed into another prime (26611181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13305560 + 13305561.

It is an arithmetic number, because the mean of its divisors is an integer number (13305561).

Almost surely, 2^26611121 is an apocalyptic number.

It is an amenable number.

26611121 is a deficient number, since it is larger than the sum of its proper divisors (1).

26611121 is an equidigital number, since it uses as much as digits as its factorization.

26611121 is an evil number, because the sum of its binary digits is even.

The product of its digits is 144, while the sum is 20.

The square root of 26611121 is about 5158.5968053338. The cubic root of 26611121 is about 298.5527367316.

Adding to 26611121 its reverse (12111662), we get a palindrome (38722783).

The spelling of 26611121 in words is "twenty-six million, six hundred eleven thousand, one hundred twenty-one".