155630001321006 has 8 divisors (see below), whose sum is σ = 311260002642024. Its totient is φ = 51876667107000.

The previous prime is 155630001320999. The next prime is 155630001321007. The reversal of 155630001321006 is 600123100036551.

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

155630001321006 is an admirable number.

It is a super-2 number, since 2×155630001321006² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155630001321007) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12969166776745 + ... + 12969166776756.

It is an arithmetic number, because the mean of its divisors is an integer number (38907500330253).

Almost surely, 2^{155630001321006} is an apocalyptic number.

155630001321006 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

155630001321006 is a wasteful number, since it uses less digits than its factorization.

155630001321006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25938333553506.

The product of its (nonzero) digits is 16200, while the sum is 33.

Adding to 155630001321006 its reverse (600123100036551), we get a palindrome (755753101357557).

The spelling of 155630001321006 in words is "one hundred fifty-five trillion, six hundred thirty billion, one million, three hundred twenty-one thousand, six".