11066551434 has 12 divisors (see below), whose sum is σ = 23977528146. Its totient is φ = 3688850472.

The previous prime is 11066551417. The next prime is 11066551439. The reversal of 11066551434 is 43415566011.

11066551434 is a `hidden beast` number, since 1 + 1 + 0 + 66 + 551 + 43 + 4 = 666.

It can be written as a sum of positive squares in only one way, i.e., 7106995809 + 3959555625 = 84303^2 + 62925^2 .

It is not an unprimeable number, because it can be changed into a prime (11066551439) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 307404189 + ... + 307404224.

Almost surely, 2^11066551434 is an apocalyptic number.

11066551434 is an abundant number, since it is smaller than the sum of its proper divisors (12910976712).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11066551434 is a wasteful number, since it uses less digits than its factorization.

11066551434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 614808421 (or 614808418 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 36.

It can be divided in two parts, 11066 and 551434, that added together give a square (562500 = 750²).

The spelling of 11066551434 in words is "eleven billion, sixty-six million, five hundred fifty-one thousand, four hundred thirty-four".