105030521545 has 16 divisors (see below), whose sum is σ = 131561832960. Its totient is φ = 80343465664.

The previous prime is 105030521539. The next prime is 105030521579. The reversal of 105030521545 is 545125030501.

It is a cyclic number.

It is not a de Polignac number, because 105030521545 - 2³ = 105030521537 is a prime.

It is a super-2 number, since 2×105030521545² (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 (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 180591 + ... + 492619.

It is an arithmetic number, because the mean of its divisors is an integer number (8222614560).

Almost surely, 2^105030521545 is an apocalyptic number.

It is an amenable number.

105030521545 is a deficient number, since it is larger than the sum of its proper divisors (26531311415).

105030521545 is a wasteful number, since it uses less digits than its factorization.

105030521545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 314984.

The product of its (nonzero) digits is 15000, while the sum is 31.

The spelling of 105030521545 in words is "one hundred five billion, thirty million, five hundred twenty-one thousand, five hundred forty-five".