1151053173 has 20 divisors (see below), whose sum is σ = 1720423980. Its totient is φ = 766945152.

The previous prime is 1151053159. The next prime is 1151053217. The reversal of 1151053173 is 3713501511.

1151053173 is a `hidden beast` number, since 11 + 51 + 0 + 531 + 73 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 237683889 + 913369284 = 15417^2 + 30222^2 .

It is not a de Polignac number, because 1151053173 - 2¹⁶ = 1150987637 is a prime.

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

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1151053273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 227293 + ... + 232301.

It is an arithmetic number, because the mean of its divisors is an integer number (86021199).

Almost surely, 2^1151053173 is an apocalyptic number.

It is an amenable number.

1151053173 is a deficient number, since it is larger than the sum of its proper divisors (569370807).

1151053173 is an equidigital number, since it uses as much as digits as its factorization.

1151053173 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7858 (or 7849 counting only the distinct ones).

The product of its (nonzero) digits is 1575, while the sum is 27.

The square root of 1151053173 is about 33927.1745507934. The cubic root of 1151053173 is about 1048.0092811975.

Adding to 1151053173 its reverse (3713501511), we get a palindrome (4864554684).

The spelling of 1151053173 in words is "one billion, one hundred fifty-one million, fifty-three thousand, one hundred seventy-three".