11526439193693 has 2 divisors, whose sum is σ = 11526439193694. Its totient is φ = 11526439193692.

The previous prime is 11526439193669. The next prime is 11526439193741. The reversal of 11526439193693 is 39639193462511.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9469916846329 + 2056522347364 = 3077323^2 + 1434058^2 .

It is a cyclic number.

It is not a de Polignac number, because 11526439193693 - 2⁴² = 7128392682589 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11526439163693) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5763219596846 + 5763219596847.

It is an arithmetic number, because the mean of its divisors is an integer number (5763219596847).

Almost surely, 2^{11526439193693} is an apocalyptic number.

It is an amenable number.

11526439193693 is a deficient number, since it is larger than the sum of its proper divisors (1).

11526439193693 is an equidigital number, since it uses as much as digits as its factorization.

11526439193693 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 28343520, while the sum is 62.

The spelling of 11526439193693 in words is "eleven trillion, five hundred twenty-six billion, four hundred thirty-nine million, one hundred ninety-three thousand, six hundred ninety-three".