1311062412511 has 16 divisors (see below), whose sum is σ = 1461293222400. Its totient is φ = 1168959074688.

The previous prime is 1311062412479. The next prime is 1311062412529. The reversal of 1311062412511 is 1152142601131.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1311062412511 - 2⁵ = 1311062412479 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1311062412511.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1311062422511) 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, 16160896 + ... + 16241818.

It is an arithmetic number, because the mean of its divisors is an integer number (91330826400).

Almost surely, 2^{1311062412511} is an apocalyptic number.

1311062412511 is a deficient number, since it is larger than the sum of its proper divisors (150230809889).

1311062412511 is a wasteful number, since it uses less digits than its factorization.

1311062412511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131118.

The product of its (nonzero) digits is 1440, while the sum is 28.

The spelling of 1311062412511 in words is "one trillion, three hundred eleven billion, sixty-two million, four hundred twelve thousand, five hundred eleven".