11536879830 has 64 divisors (see below), whose sum is σ = 33505436160. Its totient is φ = 2481882624.

The previous prime is 11536879817. The next prime is 11536879841. The reversal of 11536879830 is 3897863511.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1612240 + ... + 1619379.

It is an arithmetic number, because the mean of its divisors is an integer number (523522440).

Almost surely, 2^11536879830 is an apocalyptic number.

11536879830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11536879830 is an abundant number, since it is smaller than the sum of its proper divisors (21968556330).

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

11536879830 is a wasteful number, since it uses less digits than its factorization.

11536879830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3231653.

The product of its (nonzero) digits is 1088640, while the sum is 51.

The spelling of 11536879830 in words is "eleven billion, five hundred thirty-six million, eight hundred seventy-nine thousand, eight hundred thirty".