1153165236 has 48 divisors (see below), whose sum is σ = 2782147200. Its totient is φ = 371468160.

The previous prime is 1153165217. The next prime is 1153165241. The reversal of 1153165236 is 6325613511.

It is a junction number, because it is equal to n+sod(n) for n = 1153165197 and 1153165206.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57441 + ... + 74871.

It is an arithmetic number, because the mean of its divisors is an integer number (57961400).

Almost surely, 2^1153165236 is an apocalyptic number.

It is an amenable number.

1153165236 is an abundant number, since it is smaller than the sum of its proper divisors (1628981964).

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

1153165236 is a wasteful number, since it uses less digits than its factorization.

1153165236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17624 (or 17622 counting only the distinct ones).

The product of its digits is 16200, while the sum is 33.

The square root of 1153165236 is about 33958.2867058985. The cubic root of 1153165236 is about 1048.6498855973.

Adding to 1153165236 its reverse (6325613511), we get a palindrome (7478778747).

It can be divided in two parts, 11531 and 65236, that added together give a palindrome (76767).

The spelling of 1153165236 in words is "one billion, one hundred fifty-three million, one hundred sixty-five thousand, two hundred thirty-six".