1153255432 has 32 divisors (see below), whose sum is σ = 2487021120. Its totient is φ = 491100480.

The previous prime is 1153255423. The next prime is 1153255511. The reversal of 1153255432 is 2345523511.

It is a junction number, because it is equal to n+sod(n) for n = 1153255394 and 1153255403.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 56794 + ... + 74377.

It is an arithmetic number, because the mean of its divisors is an integer number (77719410).

Almost surely, 2^1153255432 is an apocalyptic number.

It is an amenable number.

1153255432 is an abundant number, since it is smaller than the sum of its proper divisors (1333765688).

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

1153255432 is a wasteful number, since it uses less digits than its factorization.

1153255432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131341 (or 131337 counting only the distinct ones).

The product of its digits is 18000, while the sum is 31.

The square root of 1153255432 is about 33959.6147210183. The cubic root of 1153255432 is about 1048.6772252928.

Adding to 1153255432 its reverse (2345523511), we get a palindrome (3498778943).

The spelling of 1153255432 in words is "one billion, one hundred fifty-three million, two hundred fifty-five thousand, four hundred thirty-two".