155705122010039 has 8 divisors (see below), whose sum is σ = 187314432493440. Its totient is φ = 126437241932856.

The previous prime is 155705122010029. The next prime is 155705122010041. The reversal of 155705122010039 is 930010221507551.

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 155705122010039 - 2²⁴ = 155705105232823 is a prime.

It is a super-2 number, since 2×155705122010039² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 155705122009978 and 155705122010005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155705122010029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 585357601409 + ... + 585357601674.

It is an arithmetic number, because the mean of its divisors is an integer number (23414304061680).

Almost surely, 2^{155705122010039} is an apocalyptic number.

155705122010039 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

155705122010039 is a deficient number, since it is larger than the sum of its proper divisors (31609310483401).

155705122010039 is a wasteful number, since it uses less digits than its factorization.

155705122010039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1170715203109.

The product of its (nonzero) digits is 94500, while the sum is 41.

The spelling of 155705122010039 in words is "one hundred fifty-five trillion, seven hundred five billion, one hundred twenty-two million, ten thousand, thirty-nine".