861118603848 has 64 divisors (see below), whose sum is σ = 2392805188800. Its totient is φ = 286942446720.

The previous prime is 861118603847. The next prime is 861118603853. The reversal of 861118603848 is 848306811168.

It is a happy number.

861118603848 is a `hidden beast` number, since 8 + 6 + 11 + 18 + 603 + 8 + 4 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a junction number, because it is equal to n+sod(n) for n = 861118603794 and 861118603803.

It is not an unprimeable number, because it can be changed into a prime (861118603847) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32733 + ... + 1312748.

It is an arithmetic number, because the mean of its divisors is an integer number (37387581075).

Almost surely, 2^861118603848 is an apocalyptic number.

It is an amenable number.

861118603848 is an abundant number, since it is smaller than the sum of its proper divisors (1531686584952).

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

861118603848 is a wasteful number, since it uses less digits than its factorization.

861118603848 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1348459 (or 1348449 counting only the distinct ones).

The product of its (nonzero) digits is 1769472, while the sum is 54.

The spelling of 861118603848 in words is "eight hundred sixty-one billion, one hundred eighteen million, six hundred three thousand, eight hundred forty-eight".