1153033013 has 4 divisors (see below), whose sum is σ = 1257854208. Its totient is φ = 1048211820.

The previous prime is 1153033009. The next prime is 1153033019. The reversal of 1153033013 is 3103303511.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1153033013 - 2² = 1153033009 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1153033019) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52410581 + ... + 52410602.

It is an arithmetic number, because the mean of its divisors is an integer number (314463552).

Almost surely, 2^1153033013 is an apocalyptic number.

It is an amenable number.

1153033013 is a deficient number, since it is larger than the sum of its proper divisors (104821195).

1153033013 is a wasteful number, since it uses less digits than its factorization.

1153033013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104821194.

The product of its (nonzero) digits is 405, while the sum is 20.

The square root of 1153033013 is about 33956.3398056976. The cubic root of 1153033013 is about 1048.6098043411.

Adding to 1153033013 its reverse (3103303511), we get a palindrome (4256336524).

The spelling of 1153033013 in words is "one billion, one hundred fifty-three million, thirty-three thousand, thirteen".