1155425453 has 24 divisors (see below), whose sum is σ = 1479225600. Its totient is φ = 882633024.

The previous prime is 1155425441. The next prime is 1155425477. The reversal of 1155425453 is 3545245511.

It is not a de Polignac number, because 1155425453 - 2⁶ = 1155425389 is a prime.

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 (1155425423) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17468 + ... + 51146.

It is an arithmetic number, because the mean of its divisors is an integer number (61634400).

Almost surely, 2^1155425453 is an apocalyptic number.

1155425453 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1155425453 is a deficient number, since it is larger than the sum of its proper divisors (323800147).

1155425453 is a wasteful number, since it uses less digits than its factorization.

1155425453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33741 (or 33728 counting only the distinct ones).

The product of its digits is 60000, while the sum is 35.

The square root of 1155425453 is about 33991.5497293077. The cubic root of 1155425453 is about 1049.3345603760.

The spelling of 1155425453 in words is "one billion, one hundred fifty-five million, four hundred twenty-five thousand, four hundred fifty-three".