78218825111108 has 48 divisors (see below), whose sum is σ = 150344746266624. Its totient is φ = 35312474845440.

The previous prime is 78218825111101. The next prime is 78218825111179. The reversal of 78218825111108 is 80111152881287.

It is a super-2 number, since 2×78218825111108² (a number of 29 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 78218825111108.

It is not an unprimeable number, because it can be changed into a prime (78218825111101) 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, 6437060 + ... + 14066747.

It is an arithmetic number, because the mean of its divisors is an integer number (3132182213888).

Almost surely, 2^{78218825111108} is an apocalyptic number.

It is an amenable number.

78218825111108 is a deficient number, since it is larger than the sum of its proper divisors (72125921155516).

78218825111108 is a wasteful number, since it uses less digits than its factorization.

78218825111108 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20504412 (or 20504410 counting only the distinct ones).

The product of its (nonzero) digits is 573440, while the sum is 53.

The spelling of 78218825111108 in words is "seventy-eight trillion, two hundred eighteen billion, eight hundred twenty-five million, one hundred eleven thousand, one hundred eight".