11343981600 has 216 divisors, whose sum is σ = 45716448960. Its totient is φ = 2592898560.

The previous prime is 11343981599. The next prime is 11343981613. The reversal of 11343981600 is 618934311.

11343981600 is a `hidden beast` number, since 1 + 1 + 3 + 43 + 9 + 8 + 1 + 600 = 666.

It is a super-2 number, since 2×11343981600² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 62140 + ... + 162939.

Almost surely, 2^11343981600 is an apocalyptic number.

11343981600 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11343981600 is an abundant number, since it is smaller than the sum of its proper divisors (34372467360).

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

11343981600 is a wasteful number, since it uses less digits than its factorization.

11343981600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225112 (or 225096 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 36.

The spelling of 11343981600 in words is "eleven billion, three hundred forty-three million, nine hundred eighty-one thousand, six hundred".