1153205616 has 40 divisors (see below), whose sum is σ = 2980416384. Its totient is φ = 384233920.

The previous prime is 1153205539. The next prime is 1153205617. The reversal of 1153205616 is 6165023511.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1153205617) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 158245 + ... + 165371.

Almost surely, 2^1153205616 is an apocalyptic number.

1153205616 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1153205616 is an abundant number, since it is smaller than the sum of its proper divisors (1827210768).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1153205616 is a wasteful number, since it uses less digits than its factorization.

1153205616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10509 (or 10503 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 30.

The square root of 1153205616 is about 33958.8812536573. The cubic root of 1153205616 is about 1048.6621255281.

The spelling of 1153205616 in words is "one billion, one hundred fifty-three million, two hundred five thousand, six hundred sixteen".