155115017031102 has 16 divisors (see below), whose sum is σ = 310311609189120. Its totient is φ = 51691409822552.

The previous prime is 155115017031031. The next prime is 155115017031113. The reversal of 155115017031102 is 201130710511551.

155115017031102 is digitally balanced in base 3, 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 polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3398938902 + ... + 3398984537.

It is an arithmetic number, because the mean of its divisors is an integer number (19394475574320).

Almost surely, 2^{155115017031102} is an apocalyptic number.

155115017031102 is an abundant number, since it is smaller than the sum of its proper divisors (155196592158018).

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

155115017031102 is a wasteful number, since it uses less digits than its factorization.

155115017031102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6797927247.

The product of its (nonzero) digits is 5250, while the sum is 33.

Adding to 155115017031102 its reverse (201130710511551), we get a palindrome (356245727542653).

The spelling of 155115017031102 in words is "one hundred fifty-five trillion, one hundred fifteen billion, seventeen million, thirty-one thousand, one hundred two".