1131129019388 has 24 divisors (see below), whose sum is σ = 2028676781040. Its totient is φ = 551519614080.

The previous prime is 1131129019379. The next prime is 1131129019417. The reversal of 1131129019388 is 8839109211311.

It is a Smith number, since the sum of its digits (47) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1204103 + ... + 1926686.

It is an arithmetic number, because the mean of its divisors is an integer number (84528199210).

Almost surely, 2^{1131129019388} is an apocalyptic number.

It is an amenable number.

1131129019388 is a deficient number, since it is larger than the sum of its proper divisors (897547761652).

1131129019388 is a wasteful number, since it uses less digits than its factorization.

1131129019388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3133037 (or 3133035 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 47.

The spelling of 1131129019388 in words is "one trillion, one hundred thirty-one billion, one hundred twenty-nine million, nineteen thousand, three hundred eighty-eight".