11837408728 has 16 divisors (see below), whose sum is σ = 23363307000. Its totient is φ = 5607193536.

The previous prime is 11837408719. The next prime is 11837408731. The reversal of 11837408728 is 82780473811.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38938693 + ... + 38938996.

Almost surely, 2^11837408728 is an apocalyptic number.

It is an amenable number.

11837408728 is a deficient number, since it is larger than the sum of its proper divisors (11525898272).

11837408728 is a wasteful number, since it uses less digits than its factorization.

11837408728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77877714 (or 77877710 counting only the distinct ones).

The product of its (nonzero) digits is 602112, while the sum is 49.

The spelling of 11837408728 in words is "eleven billion, eight hundred thirty-seven million, four hundred eight thousand, seven hundred twenty-eight".