155825378622 has 48 divisors (see below), whose sum is σ = 350830247040. Its totient is φ = 49925768256.

The previous prime is 155825378581. The next prime is 155825378633. The reversal of 155825378622 is 226873528551.

It is a happy number.

155825378622 is a `hidden beast` number, since 1 + 5 + 5 + 8 + 2 + 5 + 3 + 7 + 8 + 622 = 666.

155825378622 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 552913 + ... + 785724.

It is an arithmetic number, because the mean of its divisors is an integer number (7308963480).

Almost surely, 2^155825378622 is an apocalyptic number.

155825378622 is an abundant number, since it is smaller than the sum of its proper divisors (195004868418).

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

155825378622 is a wasteful number, since it uses less digits than its factorization.

155825378622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1338897 (or 1338894 counting only the distinct ones).

The product of its digits is 8064000, while the sum is 54.

The spelling of 155825378622 in words is "one hundred fifty-five billion, eight hundred twenty-five million, three hundred seventy-eight thousand, six hundred twenty-two".