155615115150 has 72 divisors (see below), whose sum is σ = 456093770184. Its totient is φ = 37724875200.

The previous prime is 155615115143. The next prime is 155615115203. The reversal of 155615115150 is 51511516551.

155615115150 is a `hidden beast` number, since 1 + 556 + 1 + 5 + 1 + 1 + 51 + 50 = 666.

155615115150 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 35 ways as a sum of consecutive naturals, for example, 15713749 + ... + 15723648.

It is an arithmetic number, because the mean of its divisors is an integer number (6334635697).

Almost surely, 2^155615115150 is an apocalyptic number.

155615115150 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

155615115150 is an abundant number, since it is smaller than the sum of its proper divisors (300478655034).

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

155615115150 is a wasteful number, since it uses less digits than its factorization.

155615115150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31437426 (or 31437418 counting only the distinct ones).

The product of its (nonzero) digits is 18750, while the sum is 36.

It can be divided in two parts, 15 and 5615115150, that added together give a palindrome (5615115165).

The spelling of 155615115150 in words is "one hundred fifty-five billion, six hundred fifteen million, one hundred fifteen thousand, one hundred fifty".