106541215517 has 4 divisors (see below), whose sum is σ = 116226780576. Its totient is φ = 96855650460.

The previous prime is 106541215511. The next prime is 106541215519. The reversal of 106541215517 is 715512145601.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-106541215517 is a prime.

It is a super-2 number, since 2×106541215517² (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 (106541215511) 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, 4842782513 + ... + 4842782534.

It is an arithmetic number, because the mean of its divisors is an integer number (29056695144).

Almost surely, 2^106541215517 is an apocalyptic number.

It is an amenable number.

106541215517 is a deficient number, since it is larger than the sum of its proper divisors (9685565059).

106541215517 is an equidigital number, since it uses as much as digits as its factorization.

106541215517 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9685565058.

The product of its (nonzero) digits is 42000, while the sum is 38.

The spelling of 106541215517 in words is "one hundred six billion, five hundred forty-one million, two hundred fifteen thousand, five hundred seventeen".