28156805150 has 24 divisors (see below), whose sum is σ = 52564936224. Its totient is φ = 11221156800.

The previous prime is 28156805099. The next prime is 28156805153. The reversal of 28156805150 is 5150865182.

It is a junction number, because it is equal to n+sod(n) for n = 28156805098 and 28156805107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28156805153) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1025447 + ... + 1052546.

It is an arithmetic number, because the mean of its divisors is an integer number (2190205676).

Almost surely, 2^28156805150 is an apocalyptic number.

28156805150 is a deficient number, since it is larger than the sum of its proper divisors (24408131074).

28156805150 is a wasteful number, since it uses less digits than its factorization.

28156805150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2078276 (or 2078271 counting only the distinct ones).

The product of its (nonzero) digits is 96000, while the sum is 41.

The spelling of 28156805150 in words is "twenty-eight billion, one hundred fifty-six million, eight hundred five thousand, one hundred fifty".