1316061451605 has 16 divisors (see below), whose sum is σ = 2105731051200. Its totient is φ = 701888531328.

The previous prime is 1316061451589. The next prime is 1316061451631. The reversal of 1316061451605 is 5061541606131.

It is not a de Polignac number, because 1316061451605 - 2⁴ = 1316061451589 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 367489 + ... + 1663481.

It is an arithmetic number, because the mean of its divisors is an integer number (131608190700).

Almost surely, 2^{1316061451605} is an apocalyptic number.

1316061451605 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1316061451605 is a deficient number, since it is larger than the sum of its proper divisors (789669599595).

1316061451605 is a wasteful number, since it uses less digits than its factorization.

1316061451605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1363700.

The product of its (nonzero) digits is 64800, while the sum is 39.

The spelling of 1316061451605 in words is "one trillion, three hundred sixteen billion, sixty-one million, four hundred fifty-one thousand, six hundred five".