56115270216500 has 96 divisors (see below), whose sum is σ = 136541803507200. Its totient is φ = 19971392016000.

The previous prime is 56115270216463. The next prime is 56115270216529. The reversal of 56115270216500 is 561207251165.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 108281675 + ... + 108798674.

It is an arithmetic number, because the mean of its divisors is an integer number (1422310453200).

Almost surely, 2^{56115270216500} is an apocalyptic number.

56115270216500 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

56115270216500 is an abundant number, since it is smaller than the sum of its proper divisors (80426533290700).

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

56115270216500 is a wasteful number, since it uses less digits than its factorization.

56115270216500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 217080426 (or 217080414 counting only the distinct ones).

The product of its (nonzero) digits is 126000, while the sum is 41.

Adding to 56115270216500 its reverse (561207251165), we get a palindrome (56676477467665).

The spelling of 56115270216500 in words is "fifty-six trillion, one hundred fifteen billion, two hundred seventy million, two hundred sixteen thousand, five hundred".