1153434155 has 8 divisors (see below), whose sum is σ = 1385288352. Its totient is φ = 921969088.

The previous prime is 1153434127. The next prime is 1153434167. The reversal of 1153434155 is 5514343511.

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 1153434155 - 2¹⁸ = 1153172011 is a prime.

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, 90719 + ... + 102648.

It is an arithmetic number, because the mean of its divisors is an integer number (173161044).

Almost surely, 2^1153434155 is an apocalyptic number.

1153434155 is a deficient number, since it is larger than the sum of its proper divisors (231854197).

1153434155 is a wasteful number, since it uses less digits than its factorization.

1153434155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194565.

The product of its digits is 18000, while the sum is 32.

The square root of 1153434155 is about 33962.2460240780. The cubic root of 1153434155 is about 1048.7313945755.

Adding to 1153434155 its reverse (5514343511), we get a palindrome (6667777666).

The spelling of 1153434155 in words is "one billion, one hundred fifty-three million, four hundred thirty-four thousand, one hundred fifty-five".