1153532430 has 24 divisors (see below), whose sum is σ = 2999184552. Its totient is φ = 307608624.

The previous prime is 1153532411. The next prime is 1153532453. The reversal of 1153532430 is 342353511.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1153532394 and 1153532403.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6408424 + ... + 6408603.

It is an arithmetic number, because the mean of its divisors is an integer number (124966023).

Almost surely, 2^1153532430 is an apocalyptic number.

1153532430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1153532430 is an abundant number, since it is smaller than the sum of its proper divisors (1845652122).

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

1153532430 is a wasteful number, since it uses less digits than its factorization.

1153532430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12817040 (or 12817037 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 27.

The square root of 1153532430 is about 33963.6928204222. The cubic root of 1153532430 is about 1048.7611784317.

Adding to 1153532430 its reverse (342353511), we get a palindrome (1495885941).

The spelling of 1153532430 in words is "one billion, one hundred fifty-three million, five hundred thirty-two thousand, four hundred thirty".