11055605531 has 2 divisors, whose sum is σ = 11055605532. Its totient is φ = 11055605530.

The previous prime is 11055605507. The next prime is 11055605537. The reversal of 11055605531 is 13550655011.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11055605531 - 2¹⁰ = 11055604507 is a prime.

It is a super-2 number, since 2×11055605531² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (11055605537) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5527802765 + 5527802766.

It is an arithmetic number, because the mean of its divisors is an integer number (5527802766).

Almost surely, 2^11055605531 is an apocalyptic number.

11055605531 is a deficient number, since it is larger than the sum of its proper divisors (1).

11055605531 is an equidigital number, since it uses as much as digits as its factorization.

11055605531 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11250, while the sum is 32.

The spelling of 11055605531 in words is "eleven billion, fifty-five million, six hundred five thousand, five hundred thirty-one".