1153213105 has 32 divisors (see below), whose sum is σ = 1601856000. Its totient is φ = 787691520.

The previous prime is 1153213099. The next prime is 1153213111. The reversal of 1153213105 is 5013123511.

It is an interprime number because it is at equal distance from previous prime (1153213099) and next prime (1153213111).

It is not a de Polignac number, because 1153213105 - 2¹¹ = 1153211057 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 575896 + ... + 577894.

It is an arithmetic number, because the mean of its divisors is an integer number (50058000).

Almost surely, 2^1153213105 is an apocalyptic number.

It is an amenable number.

1153213105 is a deficient number, since it is larger than the sum of its proper divisors (448642895).

1153213105 is a wasteful number, since it uses less digits than its factorization.

1153213105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2649.

The product of its (nonzero) digits is 450, while the sum is 22.

The square root of 1153213105 is about 33958.9915191838. The cubic root of 1153213105 is about 1048.6643955522.

Adding to 1153213105 its reverse (5013123511), we get a palindrome (6166336616).

The spelling of 1153213105 in words is "one billion, one hundred fifty-three million, two hundred thirteen thousand, one hundred five".