11146534212 has 24 divisors (see below), whose sum is σ = 28372996512. Its totient is φ = 3377737600.

The previous prime is 11146534207. The next prime is 11146534291. The reversal of 11146534212 is 21243564111.

It is a self number, because there is not a number n which added to its sum of digits gives 11146534212.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42221589 + ... + 42221852.

It is an arithmetic number, because the mean of its divisors is an integer number (1182208188).

Almost surely, 2^11146534212 is an apocalyptic number.

11146534212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11146534212 is an abundant number, since it is smaller than the sum of its proper divisors (17226462300).

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

11146534212 is a wasteful number, since it uses less digits than its factorization.

11146534212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84443459 (or 84443457 counting only the distinct ones).

The product of its digits is 5760, while the sum is 30.

The spelling of 11146534212 in words is "eleven billion, one hundred forty-six million, five hundred thirty-four thousand, two hundred twelve".