1150315405 has 4 divisors (see below), whose sum is σ = 1380378492. Its totient is φ = 920252320.

The previous prime is 1150315373. The next prime is 1150315409. The reversal of 1150315405 is 5045130511.

It is a happy number.

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 228221449 + 922093956 = 15107^2 + 30366^2 .

It is not a de Polignac number, because 1150315405 - 2⁵ = 1150315373 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1150315405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1150315409) 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, 115031536 + ... + 115031545.

It is an arithmetic number, because the mean of its divisors is an integer number (345094623).

Almost surely, 2^1150315405 is an apocalyptic number.

It is an amenable number.

1150315405 is a deficient number, since it is larger than the sum of its proper divisors (230063087).

1150315405 is an equidigital number, since it uses as much as digits as its factorization.

1150315405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230063086.

The product of its (nonzero) digits is 1500, while the sum is 25.

The square root of 1150315405 is about 33916.2999898279. The cubic root of 1150315405 is about 1047.7853260175.

Adding to 1150315405 its reverse (5045130511), we get a palindrome (6195445916).

The spelling of 1150315405 in words is "one billion, one hundred fifty million, three hundred fifteen thousand, four hundred five".