1818133629117 has 64 divisors (see below), whose sum is σ = 2816539944960. Its totient is φ = 1034643456000.

The previous prime is 1818133629077. The next prime is 1818133629131. The reversal of 1818133629117 is 7119263318181.

It is not a de Polignac number, because 1818133629117 - 2¹⁴ = 1818133612733 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1818133629117.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1818133629317) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3133617 + ... + 3668217.

It is an arithmetic number, because the mean of its divisors is an integer number (44008436640).

Almost surely, 2^{1818133629117} is an apocalyptic number.

It is an amenable number.

1818133629117 is a deficient number, since it is larger than the sum of its proper divisors (998406315843).

1818133629117 is a wasteful number, since it uses less digits than its factorization.

1818133629117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 534774.

The product of its digits is 435456, while the sum is 51.

The spelling of 1818133629117 in words is "one trillion, eight hundred eighteen billion, one hundred thirty-three million, six hundred twenty-nine thousand, one hundred seventeen".