1151101203 has 32 divisors (see below), whose sum is σ = 1793064960. Its totient is φ = 643295520.

The previous prime is 1151101177. The next prime is 1151101241. The reversal of 1151101203 is 3021011511.

It is not a de Polignac number, because 1151101203 - 2¹⁰ = 1151100179 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1151101243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 186318 + ... + 192396.

It is an arithmetic number, because the mean of its divisors is an integer number (56033280).

Almost surely, 2^1151101203 is an apocalyptic number.

1151101203 is a deficient number, since it is larger than the sum of its proper divisors (641963757).

1151101203 is a wasteful number, since it uses less digits than its factorization.

1151101203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6287.

The product of its (nonzero) digits is 30, while the sum is 15.

The square root of 1151101203 is about 33927.8823830784. The cubic root of 1151101203 is about 1048.0238577572.

Adding to 1151101203 its reverse (3021011511), we get a palindrome (4172112714).

The spelling of 1151101203 in words is "one billion, one hundred fifty-one million, one hundred one thousand, two hundred three".