1151186542 has 16 divisors (see below), whose sum is σ = 1884448512. Its totient is φ = 523075320.

The previous prime is 1151186537. The next prime is 1151186549. The reversal of 1151186542 is 2456811511.

It is a junction number, because it is equal to n+sod(n) for n = 1151186498 and 1151186507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1151186549) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64843 + ... + 80665.

It is an arithmetic number, because the mean of its divisors is an integer number (117778032).

Almost surely, 2^1151186542 is an apocalyptic number.

1151186542 is a deficient number, since it is larger than the sum of its proper divisors (733261970).

1151186542 is a wasteful number, since it uses less digits than its factorization.

1151186542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19143.

The product of its digits is 9600, while the sum is 34.

The square root of 1151186542 is about 33929.1400126794. The cubic root of 1151186542 is about 1048.0497561745.

The spelling of 1151186542 in words is "one billion, one hundred fifty-one million, one hundred eighty-six thousand, five hundred forty-two".