1355131561116 has 24 divisors (see below), whose sum is σ = 3161995131904. Its totient is φ = 451707450480.

The previous prime is 1355131561111. The next prime is 1355131561127. The reversal of 1355131561116 is 6111651315531.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1355131561111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2097051 + ... + 2666061.

Almost surely, 2^{1355131561116} is an apocalyptic number.

It is an amenable number.

1355131561116 is an abundant number, since it is smaller than the sum of its proper divisors (1806863570788).

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

1355131561116 is a wasteful number, since it uses less digits than its factorization.

1355131561116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 767481 (or 767479 counting only the distinct ones).

The product of its digits is 40500, while the sum is 39.

Adding to 1355131561116 its reverse (6111651315531), we get a palindrome (7466782876647).

The spelling of 1355131561116 in words is "one trillion, three hundred fifty-five billion, one hundred thirty-one million, five hundred sixty-one thousand, one hundred sixteen".