1150263361 has 4 divisors (see below), whose sum is σ = 1238745172. Its totient is φ = 1061781552.

The previous prime is 1150263271. The next prime is 1150263379. The reversal of 1150263361 is 1633620511.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1633620511 = 2677 ⋅610243.

It can be written as a sum of positive squares in 2 ways, for example, as 591413761 + 558849600 = 24319^2 + 23640^2 .

It is not a de Polignac number, because 1150263361 - 2²⁷ = 1016045633 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1150233361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44240886 + ... + 44240911.

It is an arithmetic number, because the mean of its divisors is an integer number (309686293).

Almost surely, 2^1150263361 is an apocalyptic number.

It is an amenable number.

1150263361 is a deficient number, since it is larger than the sum of its proper divisors (88481811).

1150263361 is an equidigital number, since it uses as much as digits as its factorization.

1150263361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88481810.

The product of its (nonzero) digits is 3240, while the sum is 28.

The square root of 1150263361 is about 33915.5327394396. The cubic root of 1150263361 is about 1047.7695240436.

Adding to 1150263361 its reverse (1633620511), we get a palindrome (2783883872).

The spelling of 1150263361 in words is "one billion, one hundred fifty million, two hundred sixty-three thousand, three hundred sixty-one".