1153255430 has 32 divisors (see below), whose sum is σ = 2105792640. Its totient is φ = 454671360.

The previous prime is 1153255423. The next prime is 1153255511. The reversal of 1153255430 is 345523511.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1153255393 and 1153255402.

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, 695162 + ... + 696818.

It is an arithmetic number, because the mean of its divisors is an integer number (65806020).

Almost surely, 2^1153255430 is an apocalyptic number.

1153255430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1153255430 is a deficient number, since it is larger than the sum of its proper divisors (952537210).

1153255430 is a wasteful number, since it uses less digits than its factorization.

1153255430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2624.

The product of its (nonzero) digits is 9000, while the sum is 29.

The square root of 1153255430 is about 33959.6146915715. The cubic root of 1153255430 is about 1048.6772246865.

Adding to 1153255430 its reverse (345523511), we get a palindrome (1498778941).

The spelling of 1153255430 in words is "one billion, one hundred fifty-three million, two hundred fifty-five thousand, four hundred thirty".