28112514135 has 48 divisors (see below), whose sum is σ = 46095582624. Its totient is φ = 14629994496.

The previous prime is 28112514127. The next prime is 28112514137. The reversal of 28112514135 is 53141521182.

It is not a de Polignac number, because 28112514135 - 2³ = 28112514127 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 28112514096 and 28112514105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28112514137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 8130327 + ... + 8133783.

It is an arithmetic number, because the mean of its divisors is an integer number (960324638).

Almost surely, 2^28112514135 is an apocalyptic number.

28112514135 is a deficient number, since it is larger than the sum of its proper divisors (17983068489).

28112514135 is a wasteful number, since it uses less digits than its factorization.

28112514135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3764 (or 3711 counting only the distinct ones).

The product of its digits is 9600, while the sum is 33.

The spelling of 28112514135 in words is "twenty-eight billion, one hundred twelve million, five hundred fourteen thousand, one hundred thirty-five".