11144542155641 has 8 divisors (see below), whose sum is σ = 11916936168264. Its totient is φ = 10385129555200.

The previous prime is 11144542155631. The next prime is 11144542155647. The reversal of 11144542155641 is 14655124544111.

It can be written as a sum of positive squares in 4 ways, for example, as 9581532114025 + 1563010041616 = 3095405^2 + 1250204^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11144542155641 - 2³⁴ = 11127362286457 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11144542155592 and 11144542155601.

It is not an unprimeable number, because it can be changed into a prime (11144542155647) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3245351270 + ... + 3245354703.

It is an arithmetic number, because the mean of its divisors is an integer number (1489617021033).

Almost surely, 2^{11144542155641} is an apocalyptic number.

It is an amenable number.

11144542155641 is a deficient number, since it is larger than the sum of its proper divisors (772394012623).

11144542155641 is a wasteful number, since it uses less digits than its factorization.

11144542155641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6490706091.

The product of its digits is 384000, while the sum is 44.

Adding to 11144542155641 its reverse (14655124544111), we get a palindrome (25799666699752).

The spelling of 11144542155641 in words is "eleven trillion, one hundred forty-four billion, five hundred forty-two million, one hundred fifty-five thousand, six hundred forty-one".