11901728904 has 64 divisors (see below), whose sum is σ = 32055004800. Its totient is φ = 3660711936.

The previous prime is 11901728903. The next prime is 11901728981. The reversal of 11901728904 is 40982710911.

It is not an unprimeable number, because it can be changed into a prime (11901728903) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1125112 + ... + 1135640.

It is an arithmetic number, because the mean of its divisors is an integer number (500859450).

Almost surely, 2^11901728904 is an apocalyptic number.

It is an amenable number.

11901728904 is an abundant number, since it is smaller than the sum of its proper divisors (20153275896).

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

11901728904 is a wasteful number, since it uses less digits than its factorization.

11901728904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14174 (or 14170 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 42.

The spelling of 11901728904 in words is "eleven billion, nine hundred one million, seven hundred twenty-eight thousand, nine hundred four".