105155545544 has 32 divisors (see below), whose sum is σ = 225375696000. Its totient is φ = 45058185600.

The previous prime is 105155545531. The next prime is 105155545609. The reversal of 105155545544 is 445545551501.

It is a super-2 number, since 2×105155545544² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 105155545495 and 105155545504.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 128444 + ... + 476244.

It is an arithmetic number, because the mean of its divisors is an integer number (7042990500).

Almost surely, 2^105155545544 is an apocalyptic number.

105155545544 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

105155545544 is an abundant number, since it is smaller than the sum of its proper divisors (120220150456).

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

105155545544 is a wasteful number, since it uses less digits than its factorization.

105155545544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 353213 (or 353209 counting only the distinct ones).

The product of its (nonzero) digits is 1000000, while the sum is 44.

The spelling of 105155545544 in words is "one hundred five billion, one hundred fifty-five million, five hundred forty-five thousand, five hundred forty-four".