1311102061108 has 48 divisors (see below), whose sum is σ = 2640520310400. Its totient is φ = 557978039424.

The previous prime is 1311102061081. The next prime is 1311102061109. The reversal of 1311102061108 is 8011602011131.

It is a super-2 number, since 2×1311102061108² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1311102061109) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16033935 + ... + 16115497.

It is an arithmetic number, because the mean of its divisors is an integer number (55010839800).

Almost surely, 2^{1311102061108} is an apocalyptic number.

It is an amenable number.

1311102061108 is an abundant number, since it is smaller than the sum of its proper divisors (1329418249292).

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

1311102061108 is a wasteful number, since it uses less digits than its factorization.

1311102061108 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85576 (or 85574 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 25.

Adding to 1311102061108 its reverse (8011602011131), we get a palindrome (9322704072239).

The spelling of 1311102061108 in words is "one trillion, three hundred eleven billion, one hundred two million, sixty-one thousand, one hundred eight".