11767809963 has 96 divisors (see below), whose sum is σ = 20392845312. Its totient is φ = 5976633600.

The previous prime is 11767809947. The next prime is 11767809997. The reversal of 11767809963 is 36990876711.

It is not a de Polignac number, because 11767809963 - 2⁴ = 11767809947 is a prime.

It is a super-2 number, since 2×11767809963² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11767807963) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 16053945 + ... + 16054677.

It is an arithmetic number, because the mean of its divisors is an integer number (212425472).

Almost surely, 2^11767809963 is an apocalyptic number.

11767809963 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

11767809963 is a deficient number, since it is larger than the sum of its proper divisors (8625035349).

11767809963 is a wasteful number, since it uses less digits than its factorization.

11767809963 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1065 (or 1058 counting only the distinct ones).

The product of its (nonzero) digits is 3429216, while the sum is 57.

The spelling of 11767809963 in words is "eleven billion, seven hundred sixty-seven million, eight hundred nine thousand, nine hundred sixty-three".