155165560060100 has 72 divisors (see below), whose sum is σ = 349062576565248. Its totient is φ = 59806301702400.

The previous prime is 155165560060099. The next prime is 155165560060109. The reversal of 155165560060100 is 1060065561551.

It is a super-2 number, since 2×155165560060100² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (155165560060109) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 106688444 + ... + 108133043.

It is an arithmetic number, because the mean of its divisors is an integer number (4848091341184).

Almost surely, 2^{155165560060100} is an apocalyptic number.

155165560060100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

155165560060100 is an abundant number, since it is smaller than the sum of its proper divisors (193897016505148).

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

155165560060100 is a wasteful number, since it uses less digits than its factorization.

155165560060100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 214821765 (or 214821758 counting only the distinct ones).

The product of its (nonzero) digits is 135000, while the sum is 41.

The spelling of 155165560060100 in words is "one hundred fifty-five trillion, one hundred sixty-five billion, five hundred sixty million, sixty thousand, one hundred".