1011311440200 has 144 divisors (see below), whose sum is σ = 3447012688080. Its totient is φ = 265657898880.

The previous prime is 1011311440193. The next prime is 1011311440211. The reversal of 1011311440200 is 20441131101.

1011311440200 is a `hidden beast` number, since 1 + 0 + 1 + 13 + 11 + 440 + 200 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 4072234 + ... + 4313433.

Almost surely, 2^{1011311440200} is an apocalyptic number.

1011311440200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1011311440200 is an abundant number, since it is smaller than the sum of its proper divisors (2435701247880).

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

1011311440200 is a wasteful number, since it uses less digits than its factorization.

1011311440200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8385756 (or 8385744 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 1011311440200 its reverse (20441131101), we get a palindrome (1031752571301).

The spelling of 1011311440200 in words is "one trillion, eleven billion, three hundred eleven million, four hundred forty thousand, two hundred".