1153315103 has 4 divisors (see below), whose sum is σ = 1190518848. Its totient is φ = 1116111360.

The previous prime is 1153315087. The next prime is 1153315127. The reversal of 1153315103 is 3015133511.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1153315103 - 2⁴ = 1153315087 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1153314103) 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, 18601826 + ... + 18601887.

It is an arithmetic number, because the mean of its divisors is an integer number (297629712).

Almost surely, 2^1153315103 is an apocalyptic number.

1153315103 is a deficient number, since it is larger than the sum of its proper divisors (37203745).

1153315103 is an equidigital number, since it uses as much as digits as its factorization.

1153315103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37203744.

The product of its (nonzero) digits is 675, while the sum is 23.

The square root of 1153315103 is about 33960.4932679135. The cubic root of 1153315103 is about 1048.6953116414.

Adding to 1153315103 its reverse (3015133511), we get a palindrome (4168448614).

The spelling of 1153315103 in words is "one billion, one hundred fifty-three million, three hundred fifteen thousand, one hundred three".