1218095065356 has 96 divisors (see below), whose sum is σ = 3103781623488. Its totient is φ = 369545379840.

The previous prime is 1218095065339. The next prime is 1218095065357. The reversal of 1218095065356 is 6535605908121.

It is a super-2 number, since 2×1218095065356² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1218095065299 and 1218095065308.

It is not an unprimeable number, because it can be changed into a prime (1218095065357) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 39352846 + ... + 39383786.

It is an arithmetic number, because the mean of its divisors is an integer number (32331058578).

Almost surely, 2^{1218095065356} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1218095065356, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1551890811744).

1218095065356 is an abundant number, since it is smaller than the sum of its proper divisors (1885686558132).

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

1218095065356 is a wasteful number, since it uses less digits than its factorization.

1218095065356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34491 (or 34489 counting only the distinct ones).

The product of its (nonzero) digits is 1944000, while the sum is 51.

The spelling of 1218095065356 in words is "one trillion, two hundred eighteen billion, ninety-five million, sixty-five thousand, three hundred fifty-six".