1131145664122 has 4 divisors (see below), whose sum is σ = 1696718496186. Its totient is φ = 565572832060.

The previous prime is 1131145664107. The next prime is 1131145664147. The reversal of 1131145664122 is 2214665411311.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1130247523161 + 898140961 = 1063131^2 + 29969^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 282786416029 + ... + 282786416032.

Almost surely, 2^{1131145664122} is an apocalyptic number.

1131145664122 is a deficient number, since it is larger than the sum of its proper divisors (565572832064).

1131145664122 is an equidigital number, since it uses as much as digits as its factorization.

1131145664122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 565572832063.

The product of its digits is 34560, while the sum is 37.

The spelling of 1131145664122 in words is "one trillion, one hundred thirty-one billion, one hundred forty-five million, six hundred sixty-four thousand, one hundred twenty-two".