105550353545 has 24 divisors (see below), whose sum is σ = 156746298816. Its totient is φ = 66809890368.

The previous prime is 105550353521. The next prime is 105550353563. The reversal of 105550353545 is 545353055501.

It is not a de Polignac number, because 105550353545 - 2¹² = 105550349449 is a prime.

It is a super-2 number, since 2×105550353545² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8916347 + ... + 8928176.

It is an arithmetic number, because the mean of its divisors is an integer number (6531095784).

Almost surely, 2^105550353545 is an apocalyptic number.

It is an amenable number.

105550353545 is a deficient number, since it is larger than the sum of its proper divisors (51195945271).

105550353545 is a wasteful number, since it uses less digits than its factorization.

105550353545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17844561 (or 17844548 counting only the distinct ones).

The product of its (nonzero) digits is 562500, while the sum is 41.

The spelling of 105550353545 in words is "one hundred five billion, five hundred fifty million, three hundred fifty-three thousand, five hundred forty-five".