28135245604052 has 12 divisors (see below), whose sum is σ = 49236725306496. Its totient is φ = 14067609802200.

The previous prime is 28135245604021. The next prime is 28135245604087. The reversal of 28135245604052 is 25040654253182.

It is a junction number, because it is equal to n+sod(n) for n = 28135245603988 and 28135245604006.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2922023 + ... + 8050385.

It is an arithmetic number, because the mean of its divisors is an integer number (4103060442208).

Almost surely, 2^{28135245604052} is an apocalyptic number.

It is an amenable number.

28135245604052 is a deficient number, since it is larger than the sum of its proper divisors (21101479702444).

28135245604052 is a wasteful number, since it uses less digits than its factorization.

28135245604052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6499918 (or 6499916 counting only the distinct ones).

The product of its (nonzero) digits is 2304000, while the sum is 47.

The spelling of 28135245604052 in words is "twenty-eight trillion, one hundred thirty-five billion, two hundred forty-five million, six hundred four thousand, fifty-two".