105103015545 has 32 divisors (see below), whose sum is σ = 186913920384. Its totient is φ = 49997542400.

The previous prime is 105103015499. The next prime is 105103015561. The reversal of 105103015545 is 545510301501.

It is not a de Polignac number, because 105103015545 - 2⁶ = 105103015481 is a prime.

It is a super-2 number, since 2×105103015545² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6000576 + ... + 6018065.

It is an arithmetic number, because the mean of its divisors is an integer number (5841060012).

Almost surely, 2^105103015545 is an apocalyptic number.

105103015545 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

105103015545 is a deficient number, since it is larger than the sum of its proper divisors (81810904839).

105103015545 is a wasteful number, since it uses less digits than its factorization.

105103015545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12018713.

The product of its (nonzero) digits is 7500, while the sum is 30.

The spelling of 105103015545 in words is "one hundred five billion, one hundred three million, fifteen thousand, five hundred forty-five".