1150224661 has 4 divisors (see below), whose sum is σ = 1181311852. Its totient is φ = 1119137472.

The previous prime is 1150224631. The next prime is 1150224683. The reversal of 1150224661 is 1664220511.

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 868186225 + 282038436 = 29465^2 + 16794^2 .

It is a cyclic number.

It is not a de Polignac number, because 1150224661 - 2⁵ = 1150224629 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1150224611) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15543540 + ... + 15543613.

It is an arithmetic number, because the mean of its divisors is an integer number (295327963).

Almost surely, 2^1150224661 is an apocalyptic number.

It is an amenable number.

1150224661 is a deficient number, since it is larger than the sum of its proper divisors (31087191).

1150224661 is an equidigital number, since it uses as much as digits as its factorization.

1150224661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31087190.

The product of its (nonzero) digits is 2880, while the sum is 28.

The square root of 1150224661 is about 33914.9621995956. The cubic root of 1150224661 is about 1047.7577733621.

It can be divided in two parts, 11502 and 24661, that added together give a palindrome (36163).

The spelling of 1150224661 in words is "one billion, one hundred fifty million, two hundred twenty-four thousand, six hundred sixty-one".