1356776880741 has 10 divisors (see below), whose sum is σ = 2026790155302. Its totient is φ = 904517920440.

The previous prime is 1356776880721. The next prime is 1356776880773. The reversal of 1356776880741 is 1470886776531.

1356776880741 is a `hidden beast` number, since 1 + 3 + 567 + 7 + 68 + 8 + 0 + 7 + 4 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 948812364900 + 407964515841 = 974070^2 + 638721^2 .

It is not a de Polignac number, because 1356776880741 - 2¹⁴ = 1356776864357 is a prime.

It is a super-2 number, since 2×1356776880741² (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 (1356776880721) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 8375165850 + ... + 8375166011.

Almost surely, 2^{1356776880741} is an apocalyptic number.

It is an amenable number.

1356776880741 is a deficient number, since it is larger than the sum of its proper divisors (670013274561).

1356776880741 is an equidigital number, since it uses as much as digits as its factorization.

1356776880741 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16750331873 (or 16750331864 counting only the distinct ones).

The product of its (nonzero) digits is 47416320, while the sum is 63.

The spelling of 1356776880741 in words is "one trillion, three hundred fifty-six billion, seven hundred seventy-six million, eight hundred eighty thousand, seven hundred forty-one".