1153447053 has 16 divisors (see below), whose sum is σ = 1693426176. Its totient is φ = 692523440.

The previous prime is 1153447051. The next prime is 1153447067. The reversal of 1153447053 is 3507443511.

It is a cyclic number.

It is not a de Polignac number, because 1153447053 - 2¹ = 1153447051 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 (1153447051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 159801 + ... + 166862.

It is an arithmetic number, because the mean of its divisors is an integer number (105839136).

Almost surely, 2^1153447053 is an apocalyptic number.

It is an amenable number.

1153447053 is a deficient number, since it is larger than the sum of its proper divisors (539979123).

1153447053 is a wasteful number, since it uses less digits than its factorization.

1153447053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 326784.

The product of its (nonzero) digits is 25200, while the sum is 33.

The square root of 1153447053 is about 33962.4359108707. The cubic root of 1153447053 is about 1048.7353036231.

The spelling of 1153447053 in words is "one billion, one hundred fifty-three million, four hundred forty-seven thousand, fifty-three".