11727072697 has 2 divisors, whose sum is σ = 11727072698. Its totient is φ = 11727072696.

The previous prime is 11727072659. The next prime is 11727072733. The reversal of 11727072697 is 79627072711.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9189331321 + 2537741376 = 95861^2 + 50376^2 .

It is a cyclic number.

It is not a de Polignac number, because 11727072697 - 2⁷ = 11727072569 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11727072697.

It is not a weakly prime, because it can be changed into another prime (11727072647) 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, 5863536348 + 5863536349.

It is an arithmetic number, because the mean of its divisors is an integer number (5863536349).

Almost surely, 2^11727072697 is an apocalyptic number.

It is an amenable number.

11727072697 is a deficient number, since it is larger than the sum of its proper divisors (1).

11727072697 is an equidigital number, since it uses as much as digits as its factorization.

11727072697 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 518616, while the sum is 49.

The spelling of 11727072697 in words is "eleven billion, seven hundred twenty-seven million, seventy-two thousand, six hundred ninety-seven".