1163545053 has 16 divisors (see below), whose sum is σ = 1693341696. Its totient is φ = 704798640.

The previous prime is 1163545051. The next prime is 1163545057. The reversal of 1163545053 is 3505453611.

It is not a de Polignac number, because 1163545053 - 2¹ = 1163545051 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1163545051) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 60276 + ... + 77202.

It is an arithmetic number, because the mean of its divisors is an integer number (105833856).

Almost surely, 2^1163545053 is an apocalyptic number.

It is an amenable number.

1163545053 is a deficient number, since it is larger than the sum of its proper divisors (529796643).

1163545053 is a wasteful number, since it uses less digits than its factorization.

1163545053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19024.

The product of its (nonzero) digits is 27000, while the sum is 33.

The square root of 1163545053 is about 34110.7762004912. The cubic root of 1163545053 is about 1051.7868450271.

Adding to 1163545053 its reverse (3505453611), we get a palindrome (4668998664).

The spelling of 1163545053 in words is "one billion, one hundred sixty-three million, five hundred forty-five thousand, fifty-three".