11863060816 has 10 divisors (see below), whose sum is σ = 22984680362. Its totient is φ = 5931530400.

The previous prime is 11863060763. The next prime is 11863060817. The reversal of 11863060816 is 61806036811.

It can be written as a sum of positive squares in only one way, i.e., 7638060816 + 4225000000 = 87396^2 + 65000^2 .

It is a super-2 number, since 2×11863060816² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11863060817) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 370720635 + ... + 370720666.

Almost surely, 2^11863060816 is an apocalyptic number.

11863060816 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

11863060816 is a deficient number, since it is larger than the sum of its proper divisors (11121619546).

11863060816 is an equidigital number, since it uses as much as digits as its factorization.

11863060816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 741441309 (or 741441303 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 40.

The spelling of 11863060816 in words is "eleven billion, eight hundred sixty-three million, sixty thousand, eight hundred sixteen".