106871572109 has 16 divisors (see below), whose sum is σ = 109042718400. Its totient is φ = 104724706944.

The previous prime is 106871572103. The next prime is 106871572111. The reversal of 106871572109 is 901275178601.

It is a cyclic number.

It is not a de Polignac number, because 106871572109 - 2³² = 102576604813 is a prime.

It is a super-2 number, since 2×106871572109² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (106871572103) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7254419 + ... + 7269135.

It is an arithmetic number, because the mean of its divisors is an integer number (6815169900).

Almost surely, 2^106871572109 is an apocalyptic number.

It is an amenable number.

106871572109 is a deficient number, since it is larger than the sum of its proper divisors (2171146291).

106871572109 is a wasteful number, since it uses less digits than its factorization.

106871572109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15532.

The product of its (nonzero) digits is 211680, while the sum is 47.

The spelling of 106871572109 in words is "one hundred six billion, eight hundred seventy-one million, five hundred seventy-two thousand, one hundred nine".