155605312124000 has 48 divisors (see below), whose sum is σ = 382322251898496. Its totient is φ = 62242124848000.

The previous prime is 155605312123927. The next prime is 155605312124011. The reversal of 155605312124000 is 421213506551.

It is a super-2 number, since 2×155605312124000² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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, 19450660016 + ... + 19450668015.

It is an arithmetic number, because the mean of its divisors is an integer number (7965046914552).

Almost surely, 2^{155605312124000} is an apocalyptic number.

155605312124000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

155605312124000 is an abundant number, since it is smaller than the sum of its proper divisors (226716939774496).

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

155605312124000 is an equidigital number, since it uses as much as digits as its factorization.

155605312124000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38901328056 (or 38901328038 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 35.

The spelling of 155605312124000 in words is "one hundred fifty-five trillion, six hundred five billion, three hundred twelve million, one hundred twenty-four thousand".