155615997080852 has 48 divisors (see below), whose sum is σ = 339526952016000. Its totient is φ = 60629405644800.

The previous prime is 155615997080821. The next prime is 155615997080867. The reversal of 155615997080852 is 258080799516551.

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 15 ways as a sum of consecutive naturals, for example, 118000952 + ... + 119312432.

It is an arithmetic number, because the mean of its divisors is an integer number (7073478167000).

Almost surely, 2^{155615997080852} is an apocalyptic number.

It is an amenable number.

155615997080852 is an abundant number, since it is smaller than the sum of its proper divisors (183910954935148).

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

155615997080852 is a wasteful number, since it uses less digits than its factorization.

155615997080852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1696752 (or 1696750 counting only the distinct ones).

The product of its (nonzero) digits is 272160000, while the sum is 71.

The spelling of 155615997080852 in words is "one hundred fifty-five trillion, six hundred fifteen billion, nine hundred ninety-seven million, eighty thousand, eight hundred fifty-two".