1351715764605 has 16 divisors (see below), whose sum is σ = 2256777624960. Its totient is φ = 689570940608.

The previous prime is 1351715764579. The next prime is 1351715764613. The reversal of 1351715764605 is 5064675171531.

It is a cyclic number.

It is not a de Polignac number, because 1351715764605 - 2⁵ = 1351715764573 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1959008010 + ... + 1959008699.

It is an arithmetic number, because the mean of its divisors is an integer number (141048601560).

Almost surely, 2^{1351715764605} is an apocalyptic number.

1351715764605 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1351715764605 is a deficient number, since it is larger than the sum of its proper divisors (905061860355).

1351715764605 is a wasteful number, since it uses less digits than its factorization.

1351715764605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3918016740.

The product of its (nonzero) digits is 2646000, while the sum is 51.

The spelling of 1351715764605 in words is "one trillion, three hundred fifty-one billion, seven hundred fifteen million, seven hundred sixty-four thousand, six hundred five".