155119282805538 has 24 divisors (see below), whose sum is σ = 336097023273648. Its totient is φ = 51705620853912.

The previous prime is 155119282805449. The next prime is 155119282805561. The reversal of 155119282805538 is 835508282911551.

155119282805538 is a `hidden beast` number, since 1 + 5 + 5 + 1 + 1 + 92 + 8 + 2 + 8 + 0 + 5 + 538 = 666.

155119282805538 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 66042720 + ... + 68351147.

It is an arithmetic number, because the mean of its divisors is an integer number (14004042636402).

Almost surely, 2^{155119282805538} is an apocalyptic number.

155119282805538 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

155119282805538 is an abundant number, since it is smaller than the sum of its proper divisors (180977740468110).

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

155119282805538 is a wasteful number, since it uses less digits than its factorization.

155119282805538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134457998 (or 134457995 counting only the distinct ones).

The product of its (nonzero) digits is 34560000, while the sum is 63.

The spelling of 155119282805538 in words is "one hundred fifty-five trillion, one hundred nineteen billion, two hundred eighty-two million, eight hundred five thousand, five hundred thirty-eight".