155065600505992 has 32 divisors (see below), whose sum is σ = 319078916694720. Its totient is φ = 70062301800640.

The previous prime is 155065600505899. The next prime is 155065600505993. The reversal of 155065600505992 is 299505006560551.

It is not an unprimeable number, because it can be changed into a prime (155065600505993) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5275761043 + ... + 5275790434.

It is an arithmetic number, because the mean of its divisors is an integer number (9971216146710).

Almost surely, 2^{155065600505992} is an apocalyptic number.

It is an amenable number.

155065600505992 is an abundant number, since it is smaller than the sum of its proper divisors (164013316188728).

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

155065600505992 is a wasteful number, since it uses less digits than its factorization.

155065600505992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10551551661 (or 10551551657 counting only the distinct ones).

The product of its (nonzero) digits is 18225000, while the sum is 58.

The spelling of 155065600505992 in words is "one hundred fifty-five trillion, sixty-five billion, six hundred million, five hundred five thousand, nine hundred ninety-two".