155501042760 has 640 divisors, whose sum is σ = 626281286400. Its totient is φ = 33861058560.

The previous prime is 155501042747. The next prime is 155501042797. The reversal of 155501042760 is 67240105551.

155501042760 is a `hidden beast` number, since 1 + 5 + 550 + 1 + 0 + 42 + 7 + 60 = 666.

155501042760 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 39982896 + ... + 39986784.

It is an arithmetic number, because the mean of its divisors is an integer number (978564510).

Almost surely, 2^155501042760 is an apocalyptic number.

155501042760 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 155501042760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (313140643200).

155501042760 is an abundant number, since it is smaller than the sum of its proper divisors (470780243640).

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

155501042760 is a wasteful number, since it uses less digits than its factorization.

155501042760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4003 (or 3990 counting only the distinct ones).

The product of its (nonzero) digits is 42000, while the sum is 36.

The spelling of 155501042760 in words is "one hundred fifty-five billion, five hundred one million, forty-two thousand, seven hundred sixty".