1131335869272 has 64 divisors (see below), whose sum is σ = 3298355328000. Its totient is φ = 323238817440.

The previous prime is 1131335869253. The next prime is 1131335869289. The reversal of 1131335869272 is 2729685331311.

It is a happy number.

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, 68707504 + ... + 68723967.

It is an arithmetic number, because the mean of its divisors is an integer number (51536802000).

Almost surely, 2^{1131335869272} is an apocalyptic number.

1131335869272 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1131335869272 is an abundant number, since it is smaller than the sum of its proper divisors (2167019458728).

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

1131335869272 is a wasteful number, since it uses less digits than its factorization.

1131335869272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137431501 (or 137431483 counting only the distinct ones).

The product of its digits is 1632960, while the sum is 51.

The spelling of 1131335869272 in words is "one trillion, one hundred thirty-one billion, three hundred thirty-five million, eight hundred sixty-nine thousand, two hundred seventy-two".