1113000203280 has 160 divisors (see below), whose sum is σ = 3961890137088. Its totient is φ = 253194278400.

The previous prime is 1113000203279. The next prime is 1113000203363. The reversal of 1113000203280 is 823020003111.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1215426 + ... + 1924385.

Almost surely, 2^{1113000203280} is an apocalyptic number.

1113000203280 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1113000203280 is an abundant number, since it is smaller than the sum of its proper divisors (2848889933808).

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

1113000203280 is a wasteful number, since it uses less digits than its factorization.

1113000203280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3140045 (or 3140039 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 1113000203280 its reverse (823020003111), we get a palindrome (1936020206391).

The spelling of 1113000203280 in words is "one trillion, one hundred thirteen billion, two hundred three thousand, two hundred eighty".