106571155 has 4 divisors (see below), whose sum is σ = 127885392. Its totient is φ = 85256920.

The previous prime is 106571117. The next prime is 106571159. The reversal of 106571155 is 551175601.

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

It is a de Polignac number, because none of the positive numbers 2^k-106571155 is a prime.

It is a super-2 number, since 2×106571155² = 22714822156068050, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (106571159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10657111 + ... + 10657120.

It is an arithmetic number, because the mean of its divisors is an integer number (31971348).

Almost surely, 2^106571155 is an apocalyptic number.

106571155 is a deficient number, since it is larger than the sum of its proper divisors (21314237).

106571155 is an equidigital number, since it uses as much as digits as its factorization.

106571155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21314236.

The product of its (nonzero) digits is 5250, while the sum is 31.

The square root of 106571155 is about 10323.3306156492. The cubic root of 106571155 is about 474.1108463249.

The spelling of 106571155 in words is "one hundred six million, five hundred seventy-one thousand, one hundred fifty-five".