1147217371144 has 16 divisors (see below), whose sum is σ = 2316496615020. Its totient is φ = 529484940480.

The previous prime is 1147217371123. The next prime is 1147217371159. The reversal of 1147217371144 is 4411737127411.

It can be written as a sum of positive squares in 2 ways, for example, as 925178507044 + 222038864100 = 961862^2 + 471210^2 .

It is a super-2 number, since 2×1147217371144² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1147217371144.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5515468027 + ... + 5515468234.

Almost surely, 2^{1147217371144} is an apocalyptic number.

It is an amenable number.

1147217371144 is an abundant number, since it is smaller than the sum of its proper divisors (1169279243876).

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

1147217371144 is a wasteful number, since it uses less digits than its factorization.

1147217371144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11030936280 (or 11030936276 counting only the distinct ones).

The product of its digits is 131712, while the sum is 43.

The spelling of 1147217371144 in words is "one trillion, one hundred forty-seven billion, two hundred seventeen million, three hundred seventy-one thousand, one hundred forty-four".