26121005732363 has 2 divisors, whose sum is σ = 26121005732364. Its totient is φ = 26121005732362.

The previous prime is 26121005732329. The next prime is 26121005732527. The reversal of 26121005732363 is 36323750012162.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-26121005732363 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 26121005732363.

It is not a weakly prime, because it can be changed into another prime (26121005732663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13060502866181 + 13060502866182.

It is an arithmetic number, because the mean of its divisors is an integer number (13060502866182).

Almost surely, 2^{26121005732363} is an apocalyptic number.

26121005732363 is a deficient number, since it is larger than the sum of its proper divisors (1).

26121005732363 is an equidigital number, since it uses as much as digits as its factorization.

26121005732363 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 272160, while the sum is 41.

The spelling of 26121005732363 in words is "twenty-six trillion, one hundred twenty-one billion, five million, seven hundred thirty-two thousand, three hundred sixty-three".