106561148619 has 4 divisors (see below), whose sum is σ = 142081531496. Its totient is φ = 71040765744.

The previous prime is 106561148599. The next prime is 106561148647. The reversal of 106561148619 is 916841165601.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 106561148619 - 2⁹ = 106561148107 is a prime.

It is a super-2 number, since 2×106561148619² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (106561148669) 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 3 ways as a sum of consecutive naturals, for example, 17760191434 + ... + 17760191439.

It is an arithmetic number, because the mean of its divisors is an integer number (35520382874).

Almost surely, 2^106561148619 is an apocalyptic number.

106561148619 is a deficient number, since it is larger than the sum of its proper divisors (35520382877).

106561148619 is an equidigital number, since it uses as much as digits as its factorization.

106561148619 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35520382876.

The product of its (nonzero) digits is 311040, while the sum is 48.

The spelling of 106561148619 in words is "one hundred six billion, five hundred sixty-one million, one hundred forty-eight thousand, six hundred nineteen".