1119543542 has 24 divisors (see below), whose sum is σ = 1837230696. Its totient is φ = 511370496.

The previous prime is 1119543541. The next prime is 1119543559. The reversal of 1119543542 is 2453459111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1119543541) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15713 + ... + 49859.

It is an arithmetic number, because the mean of its divisors is an integer number (76551279).

Almost surely, 2^1119543542 is an apocalyptic number.

1119543542 is a deficient number, since it is larger than the sum of its proper divisors (717687154).

1119543542 is a wasteful number, since it uses less digits than its factorization.

1119543542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34272 (or 34259 counting only the distinct ones).

The product of its digits is 21600, while the sum is 35.

The square root of 1119543542 is about 33459.5807206247. The cubic root of 1119543542 is about 1038.3577205171.

The spelling of 1119543542 in words is "one billion, one hundred nineteen million, five hundred forty-three thousand, five hundred forty-two".