11859487741 has 2 divisors, whose sum is σ = 11859487742. Its totient is φ = 11859487740.

The previous prime is 11859487729. The next prime is 11859487777. The reversal of 11859487741 is 14778495811.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5964472900 + 5895014841 = 77230^2 + 76779^2 .

It is a cyclic number.

It is not a de Polignac number, because 11859487741 - 2⁵ = 11859487709 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11859482741) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5929743870 + 5929743871.

It is an arithmetic number, because the mean of its divisors is an integer number (5929743871).

Almost surely, 2^11859487741 is an apocalyptic number.

It is an amenable number.

11859487741 is a deficient number, since it is larger than the sum of its proper divisors (1).

11859487741 is an equidigital number, since it uses as much as digits as its factorization.

11859487741 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2257920, while the sum is 55.

The spelling of 11859487741 in words is "eleven billion, eight hundred fifty-nine million, four hundred eighty-seven thousand, seven hundred forty-one".