106515111506 has 4 divisors (see below), whose sum is σ = 159772667262. Its totient is φ = 53257555752.

The previous prime is 106515111487. The next prime is 106515111511. The reversal of 106515111506 is 605111515601.

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

It can be written as a sum of positive squares in only one way, i.e., 96373614481 + 10141497025 = 310441^2 + 100705^2 .

It is a super-2 number, since 2×106515111506² (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 (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26628777875 + ... + 26628777878.

Almost surely, 2^106515111506 is an apocalyptic number.

106515111506 is a deficient number, since it is larger than the sum of its proper divisors (53257555756).

106515111506 is an equidigital number, since it uses as much as digits as its factorization.

106515111506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53257555755.

The product of its (nonzero) digits is 4500, while the sum is 32.

The spelling of 106515111506 in words is "one hundred six billion, five hundred fifteen million, one hundred eleven thousand, five hundred six".