11141535281 has 2 divisors, whose sum is σ = 11141535282. Its totient is φ = 11141535280.

The previous prime is 11141535263. The next prime is 11141535289. The reversal of 11141535281 is 18253514111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7729223056 + 3412312225 = 87916^2 + 58415^2 .

It is a cyclic number.

It is not a de Polignac number, because 11141535281 - 2⁶ = 11141535217 is a prime.

It is a super-2 number, since 2×11141535281² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (11141535289) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5570767640 + 5570767641.

It is an arithmetic number, because the mean of its divisors is an integer number (5570767641).

Almost surely, 2^11141535281 is an apocalyptic number.

It is an amenable number.

11141535281 is a deficient number, since it is larger than the sum of its proper divisors (1).

11141535281 is an equidigital number, since it uses as much as digits as its factorization.

11141535281 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4800, while the sum is 32.

The spelling of 11141535281 in words is "eleven billion, one hundred forty-one million, five hundred thirty-five thousand, two hundred eighty-one".