1313606126511 has 48 divisors (see below), whose sum is σ = 2193302292480. Its totient is φ = 742047546240.

The previous prime is 1313606126501. The next prime is 1313606126513. The reversal of 1313606126511 is 1156216063131.

1313606126511 is a `hidden beast` number, since 1 + 3 + 1 + 3 + 60 + 61 + 26 + 511 = 666.

It is not a de Polignac number, because 1313606126511 - 2⁵ = 1313606126479 is a prime.

It is a super-2 number, since 2×1313606126511² (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 (1313606126513) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 31327786 + ... + 31369688.

It is an arithmetic number, because the mean of its divisors is an integer number (45693797760).

Almost surely, 2^{1313606126511} is an apocalyptic number.

1313606126511 is a deficient number, since it is larger than the sum of its proper divisors (879696165969).

1313606126511 is a wasteful number, since it uses less digits than its factorization.

1313606126511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47596 (or 47593 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 36.

The spelling of 1313606126511 in words is "one trillion, three hundred thirteen billion, six hundred six million, one hundred twenty-six thousand, five hundred eleven".