155516671371040 has 192 divisors, whose sum is σ = 431396811546624. Its totient is φ = 51873042336768.

The previous prime is 155516671371037. The next prime is 155516671371059. The reversal of 155516671371040 is 40173176615551.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 54462 + ... + 17636221.

It is an arithmetic number, because the mean of its divisors is an integer number (2246858393472).

Almost surely, 2^{155516671371040} is an apocalyptic number.

155516671371040 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 155516671371040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (215698405773312).

155516671371040 is an abundant number, since it is smaller than the sum of its proper divisors (275880140175584).

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

155516671371040 is a wasteful number, since it uses less digits than its factorization.

155516671371040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17690919 (or 17690911 counting only the distinct ones).

The product of its (nonzero) digits is 2646000, while the sum is 52.

The spelling of 155516671371040 in words is "one hundred fifty-five trillion, five hundred sixteen billion, six hundred seventy-one million, three hundred seventy-one thousand, forty".