1131713622272 has 72 divisors (see below), whose sum is σ = 2321784472896. Its totient is φ = 550154336256.

The previous prime is 1131713622257. The next prime is 1131713622341. The reversal of 1131713622272 is 2722263171311.

It is a super-2 number, since 2×1131713622272² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12904523 + ... + 12991925.

It is an arithmetic number, because the mean of its divisors is an integer number (32247006568).

Almost surely, 2^{1131713622272} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1131713622272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1160892236448).

1131713622272 is an abundant number, since it is smaller than the sum of its proper divisors (1190070850624).

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

1131713622272 is an equidigital number, since it uses as much as digits as its factorization.

1131713622272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88823 (or 88809 counting only the distinct ones).

The product of its digits is 42336, while the sum is 38.

Adding to 1131713622272 its reverse (2722263171311), we get a palindrome (3853976793583).

The spelling of 1131713622272 in words is "one trillion, one hundred thirty-one billion, seven hundred thirteen million, six hundred twenty-two thousand, two hundred seventy-two".