28039150911 has 16 divisors (see below), whose sum is σ = 38260252800. Its totient is φ = 18255528480.

The previous prime is 28039150901. The next prime is 28039150921. The reversal of 28039150911 is 11905193082.

It is an interprime number because it is at equal distance from previous prime (28039150901) and next prime (28039150921).

It is not a de Polignac number, because 28039150911 - 2¹⁵ = 28039118143 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 28039150911.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28039150901) 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, 1558276 + ... + 1576166.

It is an arithmetic number, because the mean of its divisors is an integer number (2391265800).

Almost surely, 2^28039150911 is an apocalyptic number.

28039150911 is a deficient number, since it is larger than the sum of its proper divisors (10221101889).

28039150911 is a wasteful number, since it uses less digits than its factorization.

28039150911 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30086.

The product of its (nonzero) digits is 19440, while the sum is 39.

The spelling of 28039150911 in words is "twenty-eight billion, thirty-nine million, one hundred fifty thousand, nine hundred eleven".