1311088889116 has 24 divisors (see below), whose sum is σ = 2329235138160. Its totient is φ = 645663964032.

The previous prime is 1311088889111. The next prime is 1311088889119. The reversal of 1311088889116 is 6119888801131.

It is a super-2 number, since 2×1311088889116² (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 (1311088889111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8779401 + ... + 8927488.

It is an arithmetic number, because the mean of its divisors is an integer number (97051464090).

Almost surely, 2^{1311088889116} is an apocalyptic number.

It is an amenable number.

1311088889116 is a deficient number, since it is larger than the sum of its proper divisors (1018146249044).

1311088889116 is a wasteful number, since it uses less digits than its factorization.

1311088889116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17707173 (or 17707171 counting only the distinct ones).

The product of its (nonzero) digits is 663552, while the sum is 55.

The spelling of 1311088889116 in words is "one trillion, three hundred eleven billion, eighty-eight million, eight hundred eighty-nine thousand, one hundred sixteen".