28811183497296 has 40 divisors (see below), whose sum is σ = 74818570781184. Its totient is φ = 9553446531840.

The previous prime is 28811183497223. The next prime is 28811183497321. The reversal of 28811183497296 is 69279438111882.

It is a super-2 number, since 2×28811183497296² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 28811183497296.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1571281381 + ... + 1571299716.

Almost surely, 2^{28811183497296} is an apocalyptic number.

It is an amenable number.

28811183497296 is an abundant number, since it is smaller than the sum of its proper divisors (46007387283888).

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

28811183497296 is a wasteful number, since it uses less digits than its factorization.

28811183497296 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3142581299 (or 3142581293 counting only the distinct ones).

The product of its digits is 83607552, while the sum is 69.

The spelling of 28811183497296 in words is "twenty-eight trillion, eight hundred eleven billion, one hundred eighty-three million, four hundred ninety-seven thousand, two hundred ninety-six".