1144350530521 has 10 divisors (see below), whose sum is σ = 1258777783610. Its totient is φ = 1040318650800.

The previous prime is 1144350530507. The next prime is 1144350530593. The reversal of 1144350530521 is 1250350534411.

It can be written as a sum of positive squares in only one way, i.e., 736182876121 + 408167654400 = 858011^2 + 638880^2 .

It is not a de Polignac number, because 1144350530521 - 2²⁹ = 1143813659609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1144350530821) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 39065700 + ... + 39094981.

It is an arithmetic number, because the mean of its divisors is an integer number (125877778361).

Almost surely, 2^{1144350530521} is an apocalyptic number.

1144350530521 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1144350530521 is a deficient number, since it is larger than the sum of its proper divisors (114427253089).

1144350530521 is an frugal number, since it uses more digits than its factorization.

1144350530521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78160725 (or 78160692 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 34.

The spelling of 1144350530521 in words is "one trillion, one hundred forty-four billion, three hundred fifty million, five hundred thirty thousand, five hundred twenty-one".