11434505512 has 8 divisors (see below), whose sum is σ = 21439697850. Its totient is φ = 5717252752.

The previous prime is 11434505503. The next prime is 11434505513. The reversal of 11434505512 is 21550543411.

It can be written as a sum of positive squares in only one way, i.e., 11330750916 + 103754596 = 106446^2 + 10186^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (11434505513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 714656587 + ... + 714656602.

Almost surely, 2^11434505512 is an apocalyptic number.

It is an amenable number.

11434505512 is a deficient number, since it is larger than the sum of its proper divisors (10005192338).

11434505512 is a wasteful number, since it uses less digits than its factorization.

11434505512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1429313195 (or 1429313191 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 31.

The spelling of 11434505512 in words is "eleven billion, four hundred thirty-four million, five hundred five thousand, five hundred twelve".