1151146772 has 24 divisors (see below), whose sum is σ = 2136542184. Its totient is φ = 540818432.

The previous prime is 1151146753. The next prime is 1151146811. The reversal of 1151146772 is 2776411511.

It can be written as a sum of positive squares in 4 ways, for example, as 69789316 + 1081357456 = 8354^2 + 32884^2 .

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 28238 + ... + 55674.

It is an arithmetic number, because the mean of its divisors is an integer number (89022591).

Almost surely, 2^1151146772 is an apocalyptic number.

It is an amenable number.

1151146772 is a deficient number, since it is larger than the sum of its proper divisors (985395412).

1151146772 is a wasteful number, since it uses less digits than its factorization.

1151146772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28075 (or 28073 counting only the distinct ones).

The product of its digits is 11760, while the sum is 35.

The square root of 1151146772 is about 33928.5539332286. The cubic root of 1151146772 is about 1048.0376870564.

The spelling of 1151146772 in words is "one billion, one hundred fifty-one million, one hundred forty-six thousand, seven hundred seventy-two".