28136522816122 has 64 divisors (see below), whose sum is σ = 49829198561280. Its totient is φ = 11660337374400.

The previous prime is 28136522816107. The next prime is 28136522816131. The reversal of 28136522816122 is 22161822563182.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4419114583 + ... + 4419120949.

It is an arithmetic number, because the mean of its divisors is an integer number (778581227520).

Almost surely, 2^{28136522816122} is an apocalyptic number.

28136522816122 is a deficient number, since it is larger than the sum of its proper divisors (21692675745158).

28136522816122 is a wasteful number, since it uses less digits than its factorization.

28136522816122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12827.

The product of its digits is 1105920, while the sum is 49.

The spelling of 28136522816122 in words is "twenty-eight trillion, one hundred thirty-six billion, five hundred twenty-two million, eight hundred sixteen thousand, one hundred twenty-two".