1155013353 has 12 divisors (see below), whose sum is σ = 1796687620. Its totient is φ = 710777376.

The previous prime is 1155013351. The next prime is 1155013381. The reversal of 1155013353 is 3533105511.

It can be written as a sum of positive squares in 2 ways, for example, as 640494864 + 514518489 = 25308^2 + 22683^2 .

It is not a de Polignac number, because 1155013353 - 2¹ = 1155013351 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1155013351) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4935838 + ... + 4936071.

Almost surely, 2^1155013353 is an apocalyptic number.

1155013353 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1155013353 is a deficient number, since it is larger than the sum of its proper divisors (641674267).

1155013353 is a wasteful number, since it uses less digits than its factorization.

1155013353 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9871928 (or 9871925 counting only the distinct ones).

The product of its (nonzero) digits is 3375, while the sum is 27.

The square root of 1155013353 is about 33985.4873880014. The cubic root of 1155013353 is about 1049.2097918495.

Adding to 1155013353 its reverse (3533105511), we get a palindrome (4688118864).

The spelling of 1155013353 in words is "one billion, one hundred fifty-five million, thirteen thousand, three hundred fifty-three".