1111543052 has 6 divisors (see below), whose sum is σ = 1945200348. Its totient is φ = 555771524.

The previous prime is 1111543051. The next prime is 1111543123. The reversal of 1111543052 is 2503451111.

It is not an unprimeable number, because it can be changed into a prime (1111543051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 138942878 + ... + 138942885.

It is an arithmetic number, because the mean of its divisors is an integer number (324200058).

Almost surely, 2^1111543052 is an apocalyptic number.

It is an amenable number.

1111543052 is a deficient number, since it is larger than the sum of its proper divisors (833657296).

1111543052 is a wasteful number, since it uses less digits than its factorization.

1111543052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 277885767 (or 277885765 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 23.

The square root of 1111543052 is about 33339.8118171054. The cubic root of 1111543052 is about 1035.8783653403.

Adding to 1111543052 its reverse (2503451111), we get a palindrome (3614994163).

The spelling of 1111543052 in words is "one billion, one hundred eleven million, five hundred forty-three thousand, fifty-two".