11345266637 has 2 divisors, whose sum is σ = 11345266638. Its totient is φ = 11345266636.

The previous prime is 11345266631. The next prime is 11345266679. The reversal of 11345266637 is 73666254311.

11345266637 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10156809961 + 1188456676 = 100781^2 + 34474^2 .

It is a cyclic number.

It is not a de Polignac number, because 11345266637 - 2¹⁸ = 11345004493 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11345266631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5672633318 + 5672633319.

It is an arithmetic number, because the mean of its divisors is an integer number (5672633319).

Almost surely, 2^11345266637 is an apocalyptic number.

It is an amenable number.

11345266637 is a deficient number, since it is larger than the sum of its proper divisors (1).

11345266637 is an equidigital number, since it uses as much as digits as its factorization.

11345266637 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 544320, while the sum is 44.

The spelling of 11345266637 in words is "eleven billion, three hundred forty-five million, two hundred sixty-six thousand, six hundred thirty-seven".