28737011159 has 4 divisors (see below), whose sum is σ = 29033269104. Its totient is φ = 28440753216.

The previous prime is 28737011119. The next prime is 28737011161. The reversal of 28737011159 is 95111073782.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 28737011159 - 2³² = 24442043863 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28737011119) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 148128827 + ... + 148129020.

It is an arithmetic number, because the mean of its divisors is an integer number (7258317276).

Almost surely, 2^28737011159 is an apocalyptic number.

28737011159 is a deficient number, since it is larger than the sum of its proper divisors (296257945).

28737011159 is an equidigital number, since it uses as much as digits as its factorization.

28737011159 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 296257944.

The product of its (nonzero) digits is 105840, while the sum is 44.

The spelling of 28737011159 in words is "twenty-eight billion, seven hundred thirty-seven million, eleven thousand, one hundred fifty-nine".