11530870834 has 16 divisors (see below), whose sum is σ = 19776534336. Its totient is φ = 4939470000.

The previous prime is 11530870787. The next prime is 11530870837. The reversal of 11530870834 is 43807803511.

It is not an unprimeable number, because it can be changed into a prime (11530870837) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 163417 + ... + 223084.

It is an arithmetic number, because the mean of its divisors is an integer number (1236033396).

Almost surely, 2^11530870834 is an apocalyptic number.

11530870834 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

11530870834 is a deficient number, since it is larger than the sum of its proper divisors (8245663502).

11530870834 is a wasteful number, since it uses less digits than its factorization.

11530870834 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 388641.

The product of its (nonzero) digits is 80640, while the sum is 40.

The spelling of 11530870834 in words is "eleven billion, five hundred thirty million, eight hundred seventy thousand, eight hundred thirty-four".