11729729130 has 32 divisors (see below), whose sum is σ = 32172971904. Its totient is φ = 2681080896.

The previous prime is 11729729117. The next prime is 11729729161. The reversal of 11729729130 is 3192792711.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (42).

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 15 ways as a sum of consecutive naturals, for example, 27927717 + ... + 27928136.

It is an arithmetic number, because the mean of its divisors is an integer number (1005405372).

Almost surely, 2^11729729130 is an apocalyptic number.

11729729130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11729729130 is an abundant number, since it is smaller than the sum of its proper divisors (20443242774).

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

11729729130 is a wasteful number, since it uses less digits than its factorization.

11729729130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55855870.

The product of its (nonzero) digits is 47628, while the sum is 42.

The spelling of 11729729130 in words is "eleven billion, seven hundred twenty-nine million, seven hundred twenty-nine thousand, one hundred thirty".