11005079551 has 2 divisors, whose sum is σ = 11005079552. Its totient is φ = 11005079550.

The previous prime is 11005079543. The next prime is 11005079593. The reversal of 11005079551 is 15597050011.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11005079551 - 2³ = 11005079543 is a prime.

It is a super-2 number, since 2×11005079551² (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 (11005079051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5502539775 + 5502539776.

It is an arithmetic number, because the mean of its divisors is an integer number (5502539776).

Almost surely, 2^11005079551 is an apocalyptic number.

11005079551 is a deficient number, since it is larger than the sum of its proper divisors (1).

11005079551 is an equidigital number, since it uses as much as digits as its factorization.

11005079551 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7875, while the sum is 34.

The spelling of 11005079551 in words is "eleven billion, five million, seventy-nine thousand, five hundred fifty-one".