1150851481 has 4 divisors (see below), whose sum is σ = 1239378532. Its totient is φ = 1062324432.

The previous prime is 1150851461. The next prime is 1150851503. The reversal of 1150851481 is 1841580511.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 97199881 + 1053651600 = 9859^2 + 32460^2 .

It is not a de Polignac number, because 1150851481 - 2¹¹ = 1150849433 is a prime.

It is a super-2 number, since 2×1150851481² = 2648918262639786722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1150851461) 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 3 ways as a sum of consecutive naturals, for example, 44263506 + ... + 44263531.

It is an arithmetic number, because the mean of its divisors is an integer number (309844633).

Almost surely, 2^1150851481 is an apocalyptic number.

It is an amenable number.

1150851481 is a deficient number, since it is larger than the sum of its proper divisors (88527051).

1150851481 is an equidigital number, since it uses as much as digits as its factorization.

1150851481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88527050.

The product of its (nonzero) digits is 6400, while the sum is 34.

The square root of 1150851481 is about 33924.2019950359. The cubic root of 1150851481 is about 1047.9480655387.

The spelling of 1150851481 in words is "one billion, one hundred fifty million, eight hundred fifty-one thousand, four hundred eighty-one".