26144502553511 has 2 divisors, whose sum is σ = 26144502553512. Its totient is φ = 26144502553510.

The previous prime is 26144502553489. The next prime is 26144502553517. The reversal of 26144502553511 is 11535520544162.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 26144502553511 - 2³⁴ = 26127322684327 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26144502553517) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13072251276755 + 13072251276756.

It is an arithmetic number, because the mean of its divisors is an integer number (13072251276756).

Almost surely, 2^{26144502553511} is an apocalyptic number.

26144502553511 is a deficient number, since it is larger than the sum of its proper divisors (1).

26144502553511 is an equidigital number, since it uses as much as digits as its factorization.

26144502553511 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 720000, while the sum is 44.

The spelling of 26144502553511 in words is "twenty-six trillion, one hundred forty-four billion, five hundred two million, five hundred fifty-three thousand, five hundred eleven".