1153304430185 has 32 divisors (see below), whose sum is σ = 1450173352320. Its totient is φ = 879614733312.

The previous prime is 1153304430077. The next prime is 1153304430193. The reversal of 1153304430185 is 5810344033511.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1153304430185 - 2⁸ = 1153304429929 is a prime.

It is a super-2 number, since 2×1153304430185² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3178817 + ... + 3522993.

It is an arithmetic number, because the mean of its divisors is an integer number (45317917260).

Almost surely, 2^{1153304430185} is an apocalyptic number.

It is an amenable number.

1153304430185 is a deficient number, since it is larger than the sum of its proper divisors (296868922135).

1153304430185 is a wasteful number, since it uses less digits than its factorization.

1153304430185 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 344585.

The product of its (nonzero) digits is 86400, while the sum is 38.

Adding to 1153304430185 its reverse (5810344033511), we get a palindrome (6963648463696).

The spelling of 1153304430185 in words is "one trillion, one hundred fifty-three billion, three hundred four million, four hundred thirty thousand, one hundred eighty-five".