26861113 has 2 divisors, whose sum is σ = 26861114. Its totient is φ = 26861112.

The previous prime is 26861101. The next prime is 26861119. The reversal of 26861113 is 31116862.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22353984 + 4507129 = 4728^2 + 2123^2 .

It is a cyclic number.

It is not a de Polignac number, because 26861113 - 2¹³ = 26852921 is a prime.

It is not a weakly prime, because it can be changed into another prime (26861119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13430556 + 13430557.

It is an arithmetic number, because the mean of its divisors is an integer number (13430557).

Almost surely, 2^26861113 is an apocalyptic number.

It is an amenable number.

26861113 is a deficient number, since it is larger than the sum of its proper divisors (1).

26861113 is an equidigital number, since it uses as much as digits as its factorization.

26861113 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1728, while the sum is 28.

The square root of 26861113 is about 5182.7707840498. The cubic root of 26861113 is about 299.4847191626.

Adding to 26861113 its reverse (31116862), we get a palindrome (57977975).

It can be divided in two parts, 268611 and 13, that multiplied together give a palindrome (3491943).

The spelling of 26861113 in words is "twenty-six million, eight hundred sixty-one thousand, one hundred thirteen".