28053025253012 has 6 divisors (see below), whose sum is σ = 49092794192778. Its totient is φ = 14026512626504.

The previous prime is 28053025252997. The next prime is 28053025253041. The reversal of 28053025253012 is 21035252035082.

It can be written as a sum of positive squares in only one way, i.e., 21242198873476 + 6810826379536 = 4608926^2 + 2609756^2 .

It is a super-2 number, since 2×28053025253012² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3506628156623 + ... + 3506628156630.

It is an arithmetic number, because the mean of its divisors is an integer number (8182132365463).

Almost surely, 2^{28053025253012} is an apocalyptic number.

It is an amenable number.

28053025253012 is a deficient number, since it is larger than the sum of its proper divisors (21039768939766).

28053025253012 is a wasteful number, since it uses less digits than its factorization.

28053025253012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7013256313257 (or 7013256313255 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 38.

Adding to 28053025253012 its reverse (21035252035082), we get a palindrome (49088277288094).

The spelling of 28053025253012 in words is "twenty-eight trillion, fifty-three billion, twenty-five million, two hundred fifty-three thousand, twelve".