11726500551371 has 2 divisors, whose sum is σ = 11726500551372. Its totient is φ = 11726500551370.

The previous prime is 11726500551301. The next prime is 11726500551461. The reversal of 11726500551371 is 17315500562711.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11726500551371 - 2³⁴ = 11709320682187 is a prime.

It is not a weakly prime, because it can be changed into another prime (11726500551301) 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, 5863250275685 + 5863250275686.

It is an arithmetic number, because the mean of its divisors is an integer number (5863250275686).

Almost surely, 2^{11726500551371} is an apocalyptic number.

11726500551371 is a deficient number, since it is larger than the sum of its proper divisors (1).

11726500551371 is an equidigital number, since it uses as much as digits as its factorization.

11726500551371 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 220500, while the sum is 44.

The spelling of 11726500551371 in words is "eleven trillion, seven hundred twenty-six billion, five hundred million, five hundred fifty-one thousand, three hundred seventy-one".