1311516151133 has 4 divisors (see below), whose sum is σ = 1311527473788. Its totient is φ = 1311504828480.

The previous prime is 1311516151123. The next prime is 1311516151193. The reversal of 1311516151133 is 3311516151131.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 353237658244 + 958278492889 = 594338^2 + 978917^2 .

It is a cyclic number.

It is not a de Polignac number, because 1311516151133 - 2¹⁴ = 1311516134749 is a prime.

It is a super-2 number, since 2×1311516151133² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1311516151133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1311516151123) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5485766 + ... + 5719847.

It is an arithmetic number, because the mean of its divisors is an integer number (327881868447).

Almost surely, 2^{1311516151133} is an apocalyptic number.

It is an amenable number.

1311516151133 is a deficient number, since it is larger than the sum of its proper divisors (11322655).

1311516151133 is a wasteful number, since it uses less digits than its factorization.

1311516151133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11322654.

The product of its digits is 4050, while the sum is 32.

The spelling of 1311516151133 in words is "one trillion, three hundred eleven billion, five hundred sixteen million, one hundred fifty-one thousand, one hundred thirty-three".