11456705297 has 16 divisors (see below), whose sum is σ = 12197025360. Its totient is φ = 10723878912.

The previous prime is 11456705279. The next prime is 11456705311. The reversal of 11456705297 is 79250765411.

It is a Cunningham number, because it is equal to 107036²+1.

It can be written as a sum of positive squares in 8 ways, for example, as 5779216 + 11450926081 = 2404^2 + 107009^2 .

It is a cyclic number.

It is not a de Polignac number, because 11456705297 - 2⁸ = 11456705041 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11456705207) 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 in 15 ways as a sum of consecutive naturals, for example, 6610043 + ... + 6611775.

It is an arithmetic number, because the mean of its divisors is an integer number (762314085).

Almost surely, 2^11456705297 is an apocalyptic number.

11456705297 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

11456705297 is a deficient number, since it is larger than the sum of its proper divisors (740320063).

11456705297 is a wasteful number, since it uses less digits than its factorization.

11456705297 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3652.

The product of its (nonzero) digits is 529200, while the sum is 47.

The spelling of 11456705297 in words is "eleven billion, four hundred fifty-six million, seven hundred five thousand, two hundred ninety-seven".