11673734257 has 8 divisors (see below), whose sum is σ = 11716195400. Its totient is φ = 11631320064.

The previous prime is 11673734207. The next prime is 11673734297. The reversal of 11673734257 is 75243737611.

It can be written as a sum of positive squares in 4 ways, for example, as 1828332081 + 9845402176 = 42759^2 + 99224^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11673734257 - 2¹⁵ = 11673701489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11673734207) 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 7 ways as a sum of consecutive naturals, for example, 531469 + ... + 552997.

It is an arithmetic number, because the mean of its divisors is an integer number (1464524425).

Almost surely, 2^11673734257 is an apocalyptic number.

It is an amenable number.

11673734257 is a deficient number, since it is larger than the sum of its proper divisors (42461143).

11673734257 is a wasteful number, since it uses less digits than its factorization.

11673734257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23475.

The product of its digits is 740880, while the sum is 46.

The spelling of 11673734257 in words is "eleven billion, six hundred seventy-three million, seven hundred thirty-four thousand, two hundred fifty-seven".