11242061147 has 2 divisors, whose sum is σ = 11242061148. Its totient is φ = 11242061146.

The previous prime is 11242061143. The next prime is 11242061183. The reversal of 11242061147 is 74116024211.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11242061147 - 2² = 11242061143 is a prime.

It is not a weakly prime, because it can be changed into another prime (11242061143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5621030573 + 5621030574.

It is an arithmetic number, because the mean of its divisors is an integer number (5621030574).

Almost surely, 2^11242061147 is an apocalyptic number.

11242061147 is a deficient number, since it is larger than the sum of its proper divisors (1).

11242061147 is an equidigital number, since it uses as much as digits as its factorization.

11242061147 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2688, while the sum is 29.

Adding to 11242061147 its reverse (74116024211), we get a palindrome (85358085358).

The spelling of 11242061147 in words is "eleven billion, two hundred forty-two million, sixty-one thousand, one hundred forty-seven".