106006615615 has 4 divisors (see below), whose sum is σ = 127207938744. Its totient is φ = 84805292488.

The previous prime is 106006615613. The next prime is 106006615643. The reversal of 106006615615 is 516516600601.

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

It is a cyclic number.

It is not a de Polignac number, because 106006615615 - 2¹ = 106006615613 is a prime.

It is a super-2 number, since 2×106006615615² (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 (106006615613) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10600661557 + ... + 10600661566.

It is an arithmetic number, because the mean of its divisors is an integer number (31801984686).

Almost surely, 2^106006615615 is an apocalyptic number.

106006615615 is a deficient number, since it is larger than the sum of its proper divisors (21201323129).

106006615615 is an equidigital number, since it uses as much as digits as its factorization.

106006615615 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21201323128.

The product of its (nonzero) digits is 32400, while the sum is 37.

The spelling of 106006615615 in words is "one hundred six billion, six million, six hundred fifteen thousand, six hundred fifteen".