11030543512 has 8 divisors (see below), whose sum is σ = 20682269100. Its totient is φ = 5515271752.

The previous prime is 11030543467. The next prime is 11030543519. The reversal of 11030543512 is 21534503011.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11030543519) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 689408962 + ... + 689408977.

Almost surely, 2^11030543512 is an apocalyptic number.

It is an amenable number.

11030543512 is a deficient number, since it is larger than the sum of its proper divisors (9651725588).

11030543512 is a wasteful number, since it uses less digits than its factorization.

11030543512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1378817945 (or 1378817941 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 25.

The spelling of 11030543512 in words is "eleven billion, thirty million, five hundred forty-three thousand, five hundred twelve".