105210104005545 has 96 divisors (see below), whose sum is σ = 226187371334016. Its totient is φ = 41151698380800.

The previous prime is 105210104005499. The next prime is 105210104005571. The reversal of 105210104005545 is 545500401012501.

It is a happy number.

It is not a de Polignac number, because 105210104005545 - 2¹⁰ = 105210104004521 is a prime.

It is a super-2 number, since 2×105210104005545² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 382597846 + ... + 382872735.

It is an arithmetic number, because the mean of its divisors is an integer number (2356118451396).

Almost surely, 2^{105210104005545} is an apocalyptic number.

105210104005545 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

105210104005545 is an abundant number, since it is smaller than the sum of its proper divisors (120977267328471).

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

105210104005545 is a wasteful number, since it uses less digits than its factorization.

105210104005545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 765470631 (or 765470624 counting only the distinct ones).

The product of its (nonzero) digits is 20000, while the sum is 33.

The spelling of 105210104005545 in words is "one hundred five trillion, two hundred ten billion, one hundred four million, five thousand, five hundred forty-five".