155842938713279 has 8 divisors (see below), whose sum is σ = 156177291811968. Its totient is φ = 155508819842200.

The previous prime is 155842938713261. The next prime is 155842938713317. The reversal of 155842938713279 is 972317839248551.

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

It is a cyclic number.

It is not a de Polignac number, because 155842938713279 - 2¹⁶ = 155842938647743 is a prime.

It is a super-3 number, since 3×155842938713279³ (a number of 44 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155842938713239) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 57224747 + ... + 59886204.

It is an arithmetic number, because the mean of its divisors is an integer number (19522161476496).

Almost surely, 2^{155842938713279} is an apocalyptic number.

155842938713279 is a deficient number, since it is larger than the sum of its proper divisors (334353098689).

155842938713279 is a wasteful number, since it uses less digits than its factorization.

155842938713279 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117113805.

The product of its digits is 914457600, while the sum is 74.

The spelling of 155842938713279 in words is "one hundred fifty-five trillion, eight hundred forty-two billion, nine hundred thirty-eight million, seven hundred thirteen thousand, two hundred seventy-nine".