1131111231300 has 54 divisors (see below), whose sum is σ = 3545405317818. Its totient is φ = 301629661440.

The previous prime is 1131111231287. The next prime is 1131111231307. The reversal of 1131111231300 is 31321111311.

1131111231300 is a `hidden beast` number, since 1 + 131 + 1 + 1 + 1 + 231 + 300 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 278100131904 + 853011099396 = 527352^2 + 923586^2 .

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

It is not an unprimeable number, because it can be changed into a prime (1131111231307) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 628394229 + ... + 628396028.

Almost surely, 2^{1131111231300} is an apocalyptic number.

1131111231300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1131111231300 is an abundant number, since it is smaller than the sum of its proper divisors (2414294086518).

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

1131111231300 is a wasteful number, since it uses less digits than its factorization.

1131111231300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1256790277 (or 1256790267 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 18.

Adding to 1131111231300 its reverse (31321111311), we get a palindrome (1162432342611).

The spelling of 1131111231300 in words is "one trillion, one hundred thirty-one billion, one hundred eleven million, two hundred thirty-one thousand, three hundred".