1311125210616 has 32 divisors (see below), whose sum is σ = 3529952490960. Its totient is φ = 403423141632.

The previous prime is 1311125210609. The next prime is 1311125210617. The reversal of 1311125210616 is 6160125211131.

It is a super-3 number, since 3×1311125210616³ (a number of 37 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1311125210617) 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, 2101161885 + ... + 2101162508.

Almost surely, 2^{1311125210616} is an apocalyptic number.

It is an amenable number.

1311125210616 is an abundant number, since it is smaller than the sum of its proper divisors (2218827280344).

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

1311125210616 is a wasteful number, since it uses less digits than its factorization.

1311125210616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4202324415 (or 4202324411 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 30.

The spelling of 1311125210616 in words is "one trillion, three hundred eleven billion, one hundred twenty-five million, two hundred ten thousand, six hundred sixteen".