105545605425 has 96 divisors (see below), whose sum is σ = 201034132992. Its totient is φ = 48399482880.

The previous prime is 105545605387. The next prime is 105545605519. The reversal of 105545605425 is 524506545501.

It is not a de Polignac number, because 105545605425 - 2¹⁰ = 105545604401 is a prime.

It is a super-2 number, since 2×105545605425² (a number of 23 digits) contains 22 as substring.

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, 1574952 + ... + 1640598.

It is an arithmetic number, because the mean of its divisors is an integer number (2094105552).

Almost surely, 2^105545605425 is an apocalyptic number.

105545605425 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

105545605425 is a deficient number, since it is larger than the sum of its proper divisors (95488527567).

105545605425 is a wasteful number, since it uses less digits than its factorization.

105545605425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65787 (or 65782 counting only the distinct ones).

The product of its (nonzero) digits is 600000, while the sum is 42.

The spelling of 105545605425 in words is "one hundred five billion, five hundred forty-five million, six hundred five thousand, four hundred twenty-five".