155310313715868 has 48 divisors (see below), whose sum is σ = 364856381245440. Its totient is φ = 51418714675200.

The previous prime is 155310313715857. The next prime is 155310313715899. The reversal of 155310313715868 is 868517313013551.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51387238 + ... + 54325581.

It is an arithmetic number, because the mean of its divisors is an integer number (7601174609280).

Almost surely, 2^{155310313715868} is an apocalyptic number.

It is an amenable number.

155310313715868 is an abundant number, since it is smaller than the sum of its proper divisors (209546067529572).

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

155310313715868 is a wasteful number, since it uses less digits than its factorization.

155310313715868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105713658 (or 105713656 counting only the distinct ones).

The product of its (nonzero) digits is 9072000, while the sum is 57.

The spelling of 155310313715868 in words is "one hundred fifty-five trillion, three hundred ten billion, three hundred thirteen million, seven hundred fifteen thousand, eight hundred sixty-eight".