155825378620 has 24 divisors (see below), whose sum is σ = 327377355984. Its totient is φ = 62302711296.

The previous prime is 155825378581. The next prime is 155825378633. The reversal of 155825378620 is 26873528551.

155825378620 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 1668414 + ... + 1759333.

It is an arithmetic number, because the mean of its divisors is an integer number (13640723166).

Almost surely, 2^155825378620 is an apocalyptic number.

155825378620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

155825378620 is an abundant number, since it is smaller than the sum of its proper divisors (171551977364).

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

155825378620 is a wasteful number, since it uses less digits than its factorization.

155825378620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3430029 (or 3430027 counting only the distinct ones).

The product of its (nonzero) digits is 4032000, while the sum is 52.

The spelling of 155825378620 in words is "one hundred fifty-five billion, eight hundred twenty-five million, three hundred seventy-eight thousand, six hundred twenty".