1351566773457 has 16 divisors (see below), whose sum is σ = 1881866511360. Its totient is φ = 861215183312.

The previous prime is 1351566773443. The next prime is 1351566773497. The reversal of 1351566773457 is 7543776651531.

It is a cyclic number.

It is not a de Polignac number, because 1351566773457 - 2⁷ = 1351566773329 is a prime.

It is a super-2 number, since 2×1351566773457² (a number of 25 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (60) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 1351566773457.

It is not an unprimeable number, because it can be changed into a prime (1351566773497) 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, 7334283 + ... + 7516304.

It is an arithmetic number, because the mean of its divisors is an integer number (117616656960).

Almost surely, 2^{1351566773457} is an apocalyptic number.

It is an amenable number.

1351566773457 is a deficient number, since it is larger than the sum of its proper divisors (530299737903).

1351566773457 is a wasteful number, since it uses less digits than its factorization.

1351566773457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14851932.

The product of its digits is 55566000, while the sum is 60.

The spelling of 1351566773457 in words is "one trillion, three hundred fifty-one billion, five hundred sixty-six million, seven hundred seventy-three thousand, four hundred fifty-seven".