155255842368 has 224 divisors, whose sum is σ = 519566469120. Its totient is φ = 45001566720.

The previous prime is 155255842351. The next prime is 155255842403. The reversal of 155255842368 is 863248552551.

155255842368 is a `hidden beast` number, since 1 + 5 + 5 + 2 + 558 + 4 + 23 + 68 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

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, 259621 + ... + 614747.

Almost surely, 2^155255842368 is an apocalyptic number.

155255842368 is a gapful number since it is divisible by the number (18) 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 155255842368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (259783234560).

155255842368 is an abundant number, since it is smaller than the sum of its proper divisors (364310626752).

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

155255842368 is a wasteful number, since it uses less digits than its factorization.

155255842368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 355182 (or 355166 counting only the distinct ones).

The product of its digits is 11520000, while the sum is 54.

The spelling of 155255842368 in words is "one hundred fifty-five billion, two hundred fifty-five million, eight hundred forty-two thousand, three hundred sixty-eight".