106815912813 has 40 divisors (see below), whose sum is σ = 170529872832. Its totient is φ = 66395286144.

The previous prime is 106815912811. The next prime is 106815912823. The reversal of 106815912813 is 318219518601.

It is not a de Polignac number, because 106815912813 - 2¹ = 106815912811 is a prime.

It is a super-2 number, since 2×106815912813² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (106815912811) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 215145 + ... + 509822.

Almost surely, 2^106815912813 is an apocalyptic number.

It is an amenable number.

106815912813 is a deficient number, since it is larger than the sum of its proper divisors (63713960019).

106815912813 is a wasteful number, since it uses less digits than its factorization.

106815912813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 725103 (or 725094 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 45.

The spelling of 106815912813 in words is "one hundred six billion, eight hundred fifteen million, nine hundred twelve thousand, eight hundred thirteen".