11673534400 has 84 divisors (see below), whose sum is σ = 31335527880. Its totient is φ = 4244915200.

The previous prime is 11673534359. The next prime is 11673534407. The reversal of 11673534400 is 443537611.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11673534407) 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, 314035 + ... + 349234.

Almost surely, 2^11673534400 is an apocalyptic number.

11673534400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11673534400 is an abundant number, since it is smaller than the sum of its proper divisors (19661993480).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11673534400 is a wasteful number, since it uses less digits than its factorization.

11673534400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 663302 (or 663287 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 34.

The spelling of 11673534400 in words is "eleven billion, six hundred seventy-three million, five hundred thirty-four thousand, four hundred".