1133220231988 has 48 divisors (see below), whose sum is σ = 2158370882640. Its totient is φ = 517472169984.

The previous prime is 1133220231971. The next prime is 1133220232019. The reversal of 1133220231988 is 8891320223311.

It can be written as a sum of positive squares in 8 ways, for example, as 7694447524 + 1125525784464 = 87718^2 + 1060908^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17060970 + ... + 17127262.

It is an arithmetic number, because the mean of its divisors is an integer number (44966060055).

Almost surely, 2^{1133220231988} is an apocalyptic number.

It is an amenable number.

1133220231988 is a deficient number, since it is larger than the sum of its proper divisors (1025150650652).

1133220231988 is a wasteful number, since it uses less digits than its factorization.

1133220231988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69796 (or 69794 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 43.

The spelling of 1133220231988 in words is "one trillion, one hundred thirty-three billion, two hundred twenty million, two hundred thirty-one thousand, nine hundred eighty-eight".