1151520050 has 18 divisors (see below), whose sum is σ = 2142273693. Its totient is φ = 460512040.

The previous prime is 1151520043. The next prime is 1151520053. The reversal of 1151520050 is 500251511.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1128489649 + 23030401 = 33593^2 + 4799^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=23995.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1151520053) 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 8 ways as a sum of consecutive naturals, for example, 237551 + ... + 242349.

Almost surely, 2^1151520050 is an apocalyptic number.

1151520050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1151520050 is a deficient number, since it is larger than the sum of its proper divisors (990753643).

1151520050 is an frugal number, since it uses more digits than its factorization.

1151520050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9610 (or 4806 counting only the distinct ones).

The product of its (nonzero) digits is 250, while the sum is 20.

The square root of 1151520050 is about 33934.0544291424. The cubic root of 1151520050 is about 1048.1509558835.

Adding to 1151520050 its reverse (500251511), we get a palindrome (1651771561).

The spelling of 1151520050 in words is "one billion, one hundred fifty-one million, five hundred twenty thousand, fifty".