155810962728960 has 1536 divisors, whose sum is σ = 644666480640000. Its totient is φ = 31174180208640.

The previous prime is 155810962728959. The next prime is 155810962729013. The reversal of 155810962728960 is 69827269018551.

It is a tau number, because it is divible by the number of its divisors (1536).

It is a super-2 number, since 2×155810962728960² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 26684525721 + ... + 26684531559.

It is an arithmetic number, because the mean of its divisors is an integer number (419704740000).

Almost surely, 2^{155810962728960} is an apocalyptic number.

155810962728960 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 155810962728960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (322333240320000).

155810962728960 is an abundant number, since it is smaller than the sum of its proper divisors (488855517911040).

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

155810962728960 is a wasteful number, since it uses less digits than its factorization.

155810962728960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6305 (or 6285 counting only the distinct ones).

The product of its (nonzero) digits is 130636800, while the sum is 69.

The spelling of 155810962728960 in words is "one hundred fifty-five trillion, eight hundred ten billion, nine hundred sixty-two million, seven hundred twenty-eight thousand, nine hundred sixty".