26354505919999 has 2 divisors, whose sum is σ = 26354505920000. Its totient is φ = 26354505919998.

The previous prime is 26354505919969. The next prime is 26354505920011. The reversal of 26354505919999 is 99991950545362.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 26354505919999 - 2²⁹ = 26353969049087 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26354505919909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13177252959999 + 13177252960000.

It is an arithmetic number, because the mean of its divisors is an integer number (13177252960000).

Almost surely, 2^{26354505919999} is an apocalyptic number.

26354505919999 is a deficient number, since it is larger than the sum of its proper divisors (1).

26354505919999 is an equidigital number, since it uses as much as digits as its factorization.

26354505919999 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1062882000, while the sum is 76.

The spelling of 26354505919999 in words is "twenty-six trillion, three hundred fifty-four billion, five hundred five million, nine hundred nineteen thousand, nine hundred ninety-nine".