1153434505 has 8 divisors (see below), whose sum is σ = 1396370952. Its totient is φ = 914581248.

The previous prime is 1153434497. The next prime is 1153434511. The reversal of 1153434505 is 5054343511.

It can be written as a sum of positive squares in 4 ways, for example, as 38675961 + 1114758544 = 6219^2 + 33388^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1153434505 - 2³ = 1153434497 is a prime.

It is a super-2 number, since 2×1153434505² = 2660822314649190050, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1020174 + ... + 1021303.

It is an arithmetic number, because the mean of its divisors is an integer number (174546369).

Almost surely, 2^1153434505 is an apocalyptic number.

It is an amenable number.

1153434505 is a deficient number, since it is larger than the sum of its proper divisors (242936447).

1153434505 is a wasteful number, since it uses less digits than its factorization.

1153434505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2041595.

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

The square root of 1153434505 is about 33962.2511768581. The cubic root of 1153434505 is about 1048.7315006518.

The spelling of 1153434505 in words is "one billion, one hundred fifty-three million, four hundred thirty-four thousand, five hundred five".