1153500534 has 16 divisors (see below), whose sum is σ = 2563334640. Its totient is φ = 384500160.

The previous prime is 1153500527. The next prime is 1153500539. The reversal of 1153500534 is 4350053511.

1153500534 is a `hidden beast` number, since 1 + 153 + 500 + 5 + 3 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 1153500498 and 1153500507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1153500539) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10680507 + ... + 10680614.

It is an arithmetic number, because the mean of its divisors is an integer number (160208415).

Almost surely, 2^1153500534 is an apocalyptic number.

1153500534 is an abundant number, since it is smaller than the sum of its proper divisors (1409834106).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1153500534 is a wasteful number, since it uses less digits than its factorization.

1153500534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21361132 (or 21361126 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 27.

The square root of 1153500534 is about 33963.2232569290. The cubic root of 1153500534 is about 1048.7515120093.

The spelling of 1153500534 in words is "one billion, one hundred fifty-three million, five hundred thousand, five hundred thirty-four".