1151161050 has 96 divisors (see below), whose sum is σ = 3084302592. Its totient is φ = 282458880.

The previous prime is 1151161043. The next prime is 1151161093. The reversal of 1151161050 is 501611511.

It is a happy number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 773407 + ... + 774893.

It is an arithmetic number, because the mean of its divisors is an integer number (32128152).

Almost surely, 2^1151161050 is an apocalyptic number.

1151161050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1151161050, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1542151296).

1151161050 is an abundant number, since it is smaller than the sum of its proper divisors (1933141542).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1151161050 is a wasteful number, since it uses less digits than its factorization.

1151161050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1912 (or 1907 counting only the distinct ones).

The product of its (nonzero) digits is 150, while the sum is 21.

The square root of 1151161050 is about 33928.7643453162. The cubic root of 1151161050 is about 1048.0420200748.

Adding to 1151161050 its reverse (501611511), we get a palindrome (1652772561).

The spelling of 1151161050 in words is "one billion, one hundred fifty-one million, one hundred sixty-one thousand, fifty".