155892668713 has 2 divisors, whose sum is σ = 155892668714. Its totient is φ = 155892668712.

The previous prime is 155892668699. The next prime is 155892668717. The reversal of 155892668713 is 317866298551.

155892668713 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 108555093529 + 47337575184 = 329477^2 + 217572^2 .

It is a cyclic number.

It is not a de Polignac number, because 155892668713 - 2²¹ = 155890571561 is a prime.

It is a super-2 number, since 2×155892668713² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (155892668717) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77946334356 + 77946334357.

It is an arithmetic number, because the mean of its divisors is an integer number (77946334357).

Almost surely, 2^155892668713 is an apocalyptic number.

It is an amenable number.

155892668713 is a deficient number, since it is larger than the sum of its proper divisors (1).

155892668713 is an equidigital number, since it uses as much as digits as its factorization.

155892668713 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 21772800, while the sum is 61.

The spelling of 155892668713 in words is "one hundred fifty-five billion, eight hundred ninety-two million, six hundred sixty-eight thousand, seven hundred thirteen".