28112518911376 has 45 divisors (see below), whose sum is σ = 54696231126849. Its totient is φ = 13997607360000.

The previous prime is 28112518911371. The next prime is 28112518911383. The reversal of 28112518911376 is 67311981521182.

The square root of 28112518911376 is 5302124.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 3712080408976 + 24400438502400 = 1926676^2 + 4939680^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28112518911371) 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 8 ways as a sum of consecutive naturals, for example, 5323329856 + ... + 5323335136.

Almost surely, 2^{28112518911376} is an apocalyptic number.

28112518911376 is the 5302124-th square number.

It is an amenable number.

28112518911376 is a deficient number, since it is larger than the sum of its proper divisors (26583712215473).

28112518911376 is an frugal number, since it uses more digits than its factorization.

28112518911376 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11072 (or 5534 counting only the distinct ones).

The product of its digits is 1451520, while the sum is 55.

The spelling of 28112518911376 in words is "twenty-eight trillion, one hundred twelve billion, five hundred eighteen million, nine hundred eleven thousand, three hundred seventy-six".