1165144125453 has 96 divisors (see below), whose sum is σ = 2005566286080. Its totient is φ = 588533299200.

The previous prime is 1165144125443. The next prime is 1165144125479. The reversal of 1165144125453 is 3545214415611.

It is a happy number.

It is not a de Polignac number, because 1165144125453 - 2⁶ = 1165144125389 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1165144125413) 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 95 ways as a sum of consecutive naturals, for example, 200159283 + ... + 200165103.

It is an arithmetic number, because the mean of its divisors is an integer number (20891315480).

Almost surely, 2^{1165144125453} is an apocalyptic number.

It is an amenable number.

1165144125453 is a deficient number, since it is larger than the sum of its proper divisors (840422160627).

1165144125453 is a wasteful number, since it uses less digits than its factorization.

1165144125453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8019 (or 8008 counting only the distinct ones).

The product of its digits is 288000, while the sum is 42.

The spelling of 1165144125453 in words is "one trillion, one hundred sixty-five billion, one hundred forty-four million, one hundred twenty-five thousand, four hundred fifty-three".