105625836645 has 32 divisors (see below), whose sum is σ = 193541081088. Its totient is φ = 48186923328.

The previous prime is 105625836629. The next prime is 105625836649. The reversal of 105625836645 is 546638526501.

It is not a de Polignac number, because 105625836645 - 2⁴ = 105625836629 is a prime.

It is a super-2 number, since 2×105625836645² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105625836649) by changing a digit.

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, 981679 + ... + 1083948.

It is an arithmetic number, because the mean of its divisors is an integer number (6048158784).

Almost surely, 2^105625836645 is an apocalyptic number.

105625836645 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

105625836645 is a deficient number, since it is larger than the sum of its proper divisors (87915244443).

105625836645 is a wasteful number, since it uses less digits than its factorization.

105625836645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2066129.

The product of its (nonzero) digits is 5184000, while the sum is 51.

The spelling of 105625836645 in words is "one hundred five billion, six hundred twenty-five million, eight hundred thirty-six thousand, six hundred forty-five".