11773663450 has 24 divisors (see below), whose sum is σ = 21905160480. Its totient is φ = 4708143600.

The previous prime is 11773663423. The next prime is 11773663457. The reversal of 11773663450 is 5436637711.

It is a junction number, because it is equal to n+sod(n) for n = 11773663397 and 11773663406.

It is not an unprimeable number, because it can be changed into a prime (11773663457) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 157795 + ... + 220105.

It is an arithmetic number, because the mean of its divisors is an integer number (912715020).

Almost surely, 2^11773663450 is an apocalyptic number.

11773663450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11773663450 is a deficient number, since it is larger than the sum of its proper divisors (10131497030).

11773663450 is a wasteful number, since it uses less digits than its factorization.

11773663450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66102 (or 66097 counting only the distinct ones).

The product of its (nonzero) digits is 317520, while the sum is 43.

The spelling of 11773663450 in words is "eleven billion, seven hundred seventy-three million, six hundred sixty-three thousand, four hundred fifty".