106601515611 has 4 divisors (see below), whose sum is σ = 142135354152. Its totient is φ = 71067677072.

The previous prime is 106601515571. The next prime is 106601515633. The reversal of 106601515611 is 116515106601.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 116515106601 = 3 ⋅38838368867.

It is a cyclic number.

It is not a de Polignac number, because 106601515611 - 2¹⁰ = 106601514587 is a prime.

It is a super-2 number, since 2×106601515611² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (106601515211) 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, 17766919266 + ... + 17766919271.

It is an arithmetic number, because the mean of its divisors is an integer number (35533838538).

Almost surely, 2^106601515611 is an apocalyptic number.

106601515611 is a deficient number, since it is larger than the sum of its proper divisors (35533838541).

106601515611 is an equidigital number, since it uses as much as digits as its factorization.

106601515611 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35533838540.

The product of its (nonzero) digits is 5400, while the sum is 33.

The spelling of 106601515611 in words is "one hundred six billion, six hundred one million, five hundred fifteen thousand, six hundred eleven".