26140511 has 2 divisors, whose sum is σ = 26140512. Its totient is φ = 26140510.

The previous prime is 26140487. The next prime is 26140529. The reversal of 26140511 is 11504162.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 26140511 - 2¹⁴ = 26124127 is a prime.

It is a super-2 number, since 2×26140511² = 1366652630682242, which contains 22 as substring.

It is a Sophie Germain prime.

It is a zygodrome in base 13.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26140531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13070255 + 13070256.

It is an arithmetic number, because the mean of its divisors is an integer number (13070256).

Almost surely, 2^26140511 is an apocalyptic number.

26140511 is a deficient number, since it is larger than the sum of its proper divisors (1).

26140511 is an equidigital number, since it uses as much as digits as its factorization.

26140511 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 240, while the sum is 20.

The square root of 26140511 is about 5112.7791855311. The cubic root of 26140511 is about 296.7823192280.

Adding to 26140511 its reverse (11504162), we get a palindrome (37644673).

The spelling of 26140511 in words is "twenty-six million, one hundred forty thousand, five hundred eleven".