105656066015 has 8 divisors (see below), whose sum is σ = 126789930288. Its totient is φ = 84523085440.

The previous prime is 105656065981. The next prime is 105656066017. The reversal of 105656066015 is 510660656501.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 105656066015 - 2¹² = 105656061919 is a prime.

It is a super-2 number, since 2×105656066015² (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 (105656066017) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 79175 + ... + 466455.

It is an arithmetic number, because the mean of its divisors is an integer number (15848741286).

Almost surely, 2^105656066015 is an apocalyptic number.

105656066015 is a deficient number, since it is larger than the sum of its proper divisors (21133864273).

105656066015 is an equidigital number, since it uses as much as digits as its factorization.

105656066015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 441849.

The product of its (nonzero) digits is 162000, while the sum is 41.

The spelling of 105656066015 in words is "one hundred five billion, six hundred fifty-six million, sixty-six thousand, fifteen".