1131262622512 has 80 divisors (see below), whose sum is σ = 2414560413600. Its totient is φ = 513416513280.

The previous prime is 1131262622509. The next prime is 1131262622519. The reversal of 1131262622512 is 2152262621311.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1131262622519) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13865614 + ... + 13946962.

It is an arithmetic number, because the mean of its divisors is an integer number (30182005170).

Almost surely, 2^{1131262622512} 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 1131262622512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1207280206800).

1131262622512 is an abundant number, since it is smaller than the sum of its proper divisors (1283297791088).

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

1131262622512 is an equidigital number, since it uses as much as digits as its factorization.

1131262622512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82043 (or 82015 counting only the distinct ones).

The product of its digits is 17280, while the sum is 34.

The spelling of 1131262622512 in words is "one trillion, one hundred thirty-one billion, two hundred sixty-two million, six hundred twenty-two thousand, five hundred twelve".