11758320208 has 10 divisors (see below), whose sum is σ = 22781745434. Its totient is φ = 5879160096.

The previous prime is 11758320191. The next prime is 11758320229. The reversal of 11758320208 is 80202385711.

It can be written as a sum of positive squares in only one way, i.e., 11472980544 + 285339664 = 107112^2 + 16892^2 .

It is a super-2 number, since 2×11758320208² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 367447491 + ... + 367447522.

Almost surely, 2^11758320208 is an apocalyptic number.

It is an amenable number.

11758320208 is a deficient number, since it is larger than the sum of its proper divisors (11023425226).

11758320208 is an equidigital number, since it uses as much as digits as its factorization.

11758320208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 734895021 (or 734895015 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 37.

The spelling of 11758320208 in words is "eleven billion, seven hundred fifty-eight million, three hundred twenty thousand, two hundred eight".