1165413053 has 32 divisors (see below), whose sum is σ = 1467072000. Its totient is φ = 902651904.

The previous prime is 1165413023. The next prime is 1165413061. The reversal of 1165413053 is 3503145611.

It is not a de Polignac number, because 1165413053 - 2¹² = 1165408957 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1165413023) 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, 685901 + ... + 687597.

It is an arithmetic number, because the mean of its divisors is an integer number (45846000).

Almost surely, 2^1165413053 is an apocalyptic number.

It is an amenable number.

1165413053 is a deficient number, since it is larger than the sum of its proper divisors (301658947).

1165413053 is a wasteful number, since it uses less digits than its factorization.

1165413053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1949.

The product of its (nonzero) digits is 5400, while the sum is 29.

The square root of 1165413053 is about 34138.1465958537. The cubic root of 1165413053 is about 1052.3494037742.

Adding to 1165413053 its reverse (3503145611), we get a palindrome (4668558664).

The spelling of 1165413053 in words is "one billion, one hundred sixty-five million, four hundred thirteen thousand, fifty-three".