11729955492 has 48 divisors (see below), whose sum is σ = 30502964800. Its totient is φ = 3898160640.

The previous prime is 11729955469. The next prime is 11729955593. The reversal of 11729955492 is 29455992711.

It is a happy number.

11729955492 is a `hidden beast` number, since 1 + 1 + 7 + 2 + 9 + 95 + 549 + 2 = 666.

11729955492 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 128317 + ... + 199812.

Almost surely, 2^11729955492 is an apocalyptic number.

11729955492 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11729955492 is an abundant number, since it is smaller than the sum of its proper divisors (18773009308).

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

11729955492 is a wasteful number, since it uses less digits than its factorization.

11729955492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 328473 (or 328465 counting only the distinct ones).

The product of its digits is 2041200, while the sum is 54.

The spelling of 11729955492 in words is "eleven billion, seven hundred twenty-nine million, nine hundred fifty-five thousand, four hundred ninety-two".