11005981141 has 2 divisors, whose sum is σ = 11005981142. Its totient is φ = 11005981140.

The previous prime is 11005981123. The next prime is 11005981153. The reversal of 11005981141 is 14118950011.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6169474116 + 4836507025 = 78546^2 + 69545^2 .

It is a cyclic number.

It is not a de Polignac number, because 11005981141 - 2⁵ = 11005981109 is a prime.

It is a super-2 number, since 2×11005981141² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11005981171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5502990570 + 5502990571.

It is an arithmetic number, because the mean of its divisors is an integer number (5502990571).

Almost surely, 2^11005981141 is an apocalyptic number.

It is an amenable number.

11005981141 is a deficient number, since it is larger than the sum of its proper divisors (1).

11005981141 is an equidigital number, since it uses as much as digits as its factorization.

11005981141 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1440, while the sum is 31.

The spelling of 11005981141 in words is "eleven billion, five million, nine hundred eighty-one thousand, one hundred forty-one".