11928215039 has 32 divisors (see below), whose sum is σ = 13195588224. Its totient is φ = 10716364800.

The previous prime is 11928215027. The next prime is 11928215041. The reversal of 11928215039 is 93051282911.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11928215039 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11928214987 and 11928215005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11928215839) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 26100899 + ... + 26101355.

It is an arithmetic number, because the mean of its divisors is an integer number (412362132).

Almost surely, 2^11928215039 is an apocalyptic number.

11928215039 is a deficient number, since it is larger than the sum of its proper divisors (1267373185).

11928215039 is a wasteful number, since it uses less digits than its factorization.

11928215039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 867.

The product of its (nonzero) digits is 38880, while the sum is 41.

The spelling of 11928215039 in words is "eleven billion, nine hundred twenty-eight million, two hundred fifteen thousand, thirty-nine".