1100153043 has 32 divisors (see below), whose sum is σ = 1855342080. Its totient is φ = 637765920.

The previous prime is 1100153039. The next prime is 1100153051. The reversal of 1100153043 is 3403510011.

It is not a de Polignac number, because 1100153043 - 2² = 1100153039 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1100153053) 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 31 ways as a sum of consecutive naturals, for example, 73696 + ... + 87357.

It is an arithmetic number, because the mean of its divisors is an integer number (57979440).

Almost surely, 2^1100153043 is an apocalyptic number.

1100153043 is a deficient number, since it is larger than the sum of its proper divisors (755189037).

1100153043 is a wasteful number, since it uses less digits than its factorization.

1100153043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161096 (or 161090 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

The square root of 1100153043 is about 33168.5550333445. Note that the first 3 decimals coincide. The cubic root of 1100153043 is about 1032.3279869471.

Adding to 1100153043 its reverse (3403510011), we get a palindrome (4503663054).

The spelling of 1100153043 in words is "one billion, one hundred million, one hundred fifty-three thousand, forty-three".