11729009402 has 48 divisors (see below), whose sum is σ = 20004800256. Its totient is φ = 5148369600.

The previous prime is 11729009399. The next prime is 11729009497. The reversal of 11729009402 is 20490092711.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4222238 + ... + 4225014.

It is an arithmetic number, because the mean of its divisors is an integer number (416766672).

Almost surely, 2^11729009402 is an apocalyptic number.

11729009402 is a deficient number, since it is larger than the sum of its proper divisors (8275790854).

11729009402 is a wasteful number, since it uses less digits than its factorization.

11729009402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3395 (or 3384 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 35.

The spelling of 11729009402 in words is "eleven billion, seven hundred twenty-nine million, nine thousand, four hundred two".