1018822275072 has 624 divisors, whose sum is σ = 3530786248800. Its totient is φ = 289467924480.

The previous prime is 1018822275061. The next prime is 1018822275073. The reversal of 1018822275072 is 2705722288101.

It is not an unprimeable number, because it can be changed into a prime (1018822275073) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1240952422 + ... + 1240953242.

Almost surely, 2^{1018822275072} is an apocalyptic number.

1018822275072 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1018822275072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1765393124400).

1018822275072 is an abundant number, since it is smaller than the sum of its proper divisors (2511963973728).

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

1018822275072 is an equidigital number, since it uses as much as digits as its factorization.

1018822275072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1097 (or 1062 counting only the distinct ones).

The product of its (nonzero) digits is 250880, while the sum is 45.

The spelling of 1018822275072 in words is "one trillion, eighteen billion, eight hundred twenty-two million, two hundred seventy-five thousand, seventy-two".