28112158560 has 48 divisors (see below), whose sum is σ = 88553300976. Its totient is φ = 7496575488.

The previous prime is 28112158559. The next prime is 28112158561. The reversal of 28112158560 is 6585121182.

It is an interprime number because it is at equal distance from previous prime (28112158559) and next prime (28112158561).

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28112158561) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29283019 + ... + 29283978.

It is an arithmetic number, because the mean of its divisors is an integer number (1844860437).

Almost surely, 2^28112158560 is an apocalyptic number.

28112158560 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28112158560 is an abundant number, since it is smaller than the sum of its proper divisors (60441142416).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28112158560 is a wasteful number, since it uses less digits than its factorization.

28112158560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58567015 (or 58567007 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 39.

The spelling of 28112158560 in words is "twenty-eight billion, one hundred twelve million, one hundred fifty-eight thousand, five hundred sixty".