1351041755765 has 8 divisors (see below), whose sum is σ = 1745961653688. Its totient is φ = 997692373440.

The previous prime is 1351041755759. The next prime is 1351041755773. The reversal of 1351041755765 is 5675571401531.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 273128528689 + 1077913227076 = 522617^2 + 1038226^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1351041755765 - 2¹⁸ = 1351041493621 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10392628826 + ... + 10392628955.

It is an arithmetic number, because the mean of its divisors is an integer number (218245206711).

Almost surely, 2^{1351041755765} is an apocalyptic number.

It is an amenable number.

1351041755765 is a deficient number, since it is larger than the sum of its proper divisors (394919897923).

1351041755765 is a wasteful number, since it uses less digits than its factorization.

1351041755765 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20785257799.

The product of its (nonzero) digits is 2205000, while the sum is 50.

The spelling of 1351041755765 in words is "one trillion, three hundred fifty-one billion, forty-one million, seven hundred fifty-five thousand, seven hundred sixty-five".