1101150243 has 24 divisors (see below), whose sum is σ = 1638445536. Its totient is φ = 712195200.

The previous prime is 1101150233. The next prime is 1101150257. The reversal of 1101150243 is 3420511011.

1101150243 is a `hidden beast` number, since 110 + 11 + 502 + 43 = 666.

It is not a de Polignac number, because 1101150243 - 2⁴ = 1101150227 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1101150233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 58546 + ... + 75032.

It is an arithmetic number, because the mean of its divisors is an integer number (68268564).

Almost surely, 2^1101150243 is an apocalyptic number.

1101150243 is a deficient number, since it is larger than the sum of its proper divisors (537295293).

1101150243 is a wasteful number, since it uses less digits than its factorization.

1101150243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16715 (or 16712 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 18.

The square root of 1101150243 is about 33183.5839384476. The cubic root of 1101150243 is about 1032.6398001073.

Adding to 1101150243 its reverse (3420511011), we get a palindrome (4521661254).

The spelling of 1101150243 in words is "one billion, one hundred one million, one hundred fifty thousand, two hundred forty-three".