11052543012 has 48 divisors (see below), whose sum is σ = 30158886912. Its totient is φ = 3084429600.

The previous prime is 11052543011. The next prime is 11052543037. The reversal of 11052543012 is 21034525011.

It is a happy number.

It is a super-2 number, since 2×11052543012² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11052543011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1526364 + ... + 1533587.

It is an arithmetic number, because the mean of its divisors is an integer number (628310144).

Almost surely, 2^11052543012 is an apocalyptic number.

11052543012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11052543012 is an abundant number, since it is smaller than the sum of its proper divisors (19106343900).

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

11052543012 is a wasteful number, since it uses less digits than its factorization.

11052543012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3060008 (or 3060006 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 24.

The spelling of 11052543012 in words is "eleven billion, fifty-two million, five hundred forty-three thousand, twelve".