11121004547 has 2 divisors, whose sum is σ = 11121004548. Its totient is φ = 11121004546.

The previous prime is 11121004481. The next prime is 11121004579. The reversal of 11121004547 is 74540012111.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11121004547 - 2²⁰ = 11119955971 is a prime.

It is not a weakly prime, because it can be changed into another prime (11121004847) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5560502273 + 5560502274.

It is an arithmetic number, because the mean of its divisors is an integer number (5560502274).

Almost surely, 2^11121004547 is an apocalyptic number.

11121004547 is a deficient number, since it is larger than the sum of its proper divisors (1).

11121004547 is an equidigital number, since it uses as much as digits as its factorization.

11121004547 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1120, while the sum is 26.

Adding to 11121004547 its reverse (74540012111), we get a palindrome (85661016658).

The spelling of 11121004547 in words is "eleven billion, one hundred twenty-one million, four thousand, five hundred forty-seven".