6815247994860 has 24 divisors (see below), whose sum is σ = 19082694385776. Its totient is φ = 1817399465280.

The previous prime is 6815247994837. The next prime is 6815247994871. The reversal of 6815247994860 is 684997425186.

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, 56793733231 + ... + 56793733350.

It is an arithmetic number, because the mean of its divisors is an integer number (795112266074).

Almost surely, 2^{6815247994860} is an apocalyptic number.

6815247994860 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6815247994860 is an abundant number, since it is smaller than the sum of its proper divisors (12267446390916).

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

6815247994860 is a wasteful number, since it uses less digits than its factorization.

6815247994860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113587466593 (or 113587466591 counting only the distinct ones).

The product of its (nonzero) digits is 209018880, while the sum is 69.

The spelling of 6815247994860 in words is "six trillion, eight hundred fifteen billion, two hundred forty-seven million, nine hundred ninety-four thousand, eight hundred sixty".