11657462197 has 2 divisors, whose sum is σ = 11657462198. Its totient is φ = 11657462196.

The previous prime is 11657462143. The next prime is 11657462213. The reversal of 11657462197 is 79126475611.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10552631076 + 1104831121 = 102726^2 + 33239^2 .

It is a cyclic number.

It is not a de Polignac number, because 11657462197 - 2¹⁹ = 11656937909 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11657462197.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11657462897) 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, 5828731098 + 5828731099.

It is an arithmetic number, because the mean of its divisors is an integer number (5828731099).

Almost surely, 2^11657462197 is an apocalyptic number.

It is an amenable number.

11657462197 is a deficient number, since it is larger than the sum of its proper divisors (1).

11657462197 is an equidigital number, since it uses as much as digits as its factorization.

11657462197 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 635040, while the sum is 49.

The spelling of 11657462197 in words is "eleven billion, six hundred fifty-seven million, four hundred sixty-two thousand, one hundred ninety-seven".