1153163547 has 16 divisors (see below), whose sum is σ = 1729484960. Its totient is φ = 768774240.

The previous prime is 1153163521. The next prime is 1153163573. The reversal of 1153163547 is 7453613511.

1153163547 is a `hidden beast` number, since 1 + 1 + 53 + 1 + 63 + 547 = 666.

1153163547 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (1153163521) and next prime (1153163573).

It is not a de Polignac number, because 1153163547 - 2⁶ = 1153163483 is a prime.

It is a super-2 number, since 2×1153163547² = 2659572332259242418, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1153163507) 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, 261454 + ... + 265827.

It is an arithmetic number, because the mean of its divisors is an integer number (108092810).

Almost surely, 2^1153163547 is an apocalyptic number.

1153163547 is a deficient number, since it is larger than the sum of its proper divisors (576321413).

1153163547 is an frugal number, since it uses more digits than its factorization.

1153163547 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 527302 (or 527284 counting only the distinct ones).

The product of its digits is 37800, while the sum is 36.

The square root of 1153163547 is about 33958.2618371435. The cubic root of 1153163547 is about 1048.6493736237.

It can be divided in two parts, 11531 and 63547, that added together give a triangular number (75078 = T₃₈₇).

The spelling of 1153163547 in words is "one billion, one hundred fifty-three million, one hundred sixty-three thousand, five hundred forty-seven".