1143057747241 has 4 divisors (see below), whose sum is σ = 1143066928900. Its totient is φ = 1143048565584.

The previous prime is 1143057747233. The next prime is 1143057747269. The reversal of 1143057747241 is 1427477503411.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 399798231616 + 743259515625 = 632296^2 + 862125^2 .

It is a cyclic number.

It is not a de Polignac number, because 1143057747241 - 2³ = 1143057747233 is a prime.

It is a super-2 number, since 2×1143057747241² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1143057747191 and 1143057747200.

It is not an unprimeable number, because it can be changed into a prime (1143057777241) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4401486 + ... + 4653943.

It is an arithmetic number, because the mean of its divisors is an integer number (285766732225).

Almost surely, 2^{1143057747241} is an apocalyptic number.

It is an amenable number.

1143057747241 is a deficient number, since it is larger than the sum of its proper divisors (9181659).

1143057747241 is an equidigital number, since it uses as much as digits as its factorization.

1143057747241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9181658.

The product of its (nonzero) digits is 658560, while the sum is 46.

The spelling of 1143057747241 in words is "one trillion, one hundred forty-three billion, fifty-seven million, seven hundred forty-seven thousand, two hundred forty-one".