155105430054001 has 16 divisors (see below), whose sum is σ = 177460934692096. Its totient is φ = 132799344060096.

The previous prime is 155105430053989. The next prime is 155105430054023. The reversal of 155105430054001 is 100450034501551.

It is not a de Polignac number, because 155105430054001 - 2³⁹ = 154555674240113 is a prime.

It is a super-3 number, since 3×155105430054001³ (a number of 44 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (155105430084001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 83812255 + ... + 85642891.

It is an arithmetic number, because the mean of its divisors is an integer number (11091308418256).

Almost surely, 2^{155105430054001} is an apocalyptic number.

It is an amenable number.

155105430054001 is a deficient number, since it is larger than the sum of its proper divisors (22355504638095).

155105430054001 is a wasteful number, since it uses less digits than its factorization.

155105430054001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1844128.

The product of its (nonzero) digits is 30000, while the sum is 34.

Adding to 155105430054001 its reverse (100450034501551), we get a palindrome (255555464555552).

The spelling of 155105430054001 in words is "one hundred fifty-five trillion, one hundred five billion, four hundred thirty million, fifty-four thousand, one".