1150505343 has 32 divisors (see below), whose sum is σ = 1885195200. Its totient is φ = 688860288.

The previous prime is 1150505341. The next prime is 1150505381. The reversal of 1150505343 is 3435050511.

1150505343 is a `hidden beast` number, since 1 + 150 + 505 + 3 + 4 + 3 = 666.

It is not a de Polignac number, because 1150505343 - 2¹ = 1150505341 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1150505341) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 31308 + ... + 57281.

It is an arithmetic number, because the mean of its divisors is an integer number (58912350).

Almost surely, 2^1150505343 is an apocalyptic number.

1150505343 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1150505343 is a deficient number, since it is larger than the sum of its proper divisors (734689857).

1150505343 is a wasteful number, since it uses less digits than its factorization.

1150505343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88648 (or 88642 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 27.

The square root of 1150505343 is about 33919.0999733189. The cubic root of 1150505343 is about 1047.8429923166.

Adding to 1150505343 its reverse (3435050511), we get a palindrome (4585555854).

The spelling of 1150505343 in words is "one billion, one hundred fifty million, five hundred five thousand, three hundred forty-three".