1355113531122 has 64 divisors (see below), whose sum is σ = 3048257028096. Its totient is φ = 398482286400.

The previous prime is 1355113531081. The next prime is 1355113531129. The reversal of 1355113531122 is 2211353115531.

It is not an unprimeable number, because it can be changed into a prime (1355113531129) 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, 1736763 + ... + 2393025.

It is an arithmetic number, because the mean of its divisors is an integer number (47629016064).

Almost surely, 2^{1355113531122} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1355113531122, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1524128514048).

1355113531122 is an abundant number, since it is smaller than the sum of its proper divisors (1693143496974).

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

1355113531122 is a wasteful number, since it uses less digits than its factorization.

1355113531122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 657455.

The product of its digits is 13500, while the sum is 33.

Adding to 1355113531122 its reverse (2211353115531), we get a palindrome (3566466646653).

The spelling of 1355113531122 in words is "one trillion, three hundred fifty-five billion, one hundred thirteen million, five hundred thirty-one thousand, one hundred twenty-two".