106915559 has 4 divisors (see below), whose sum is σ = 110364480. Its totient is φ = 103466640.

The previous prime is 106915531. The next prime is 106915561. The reversal of 106915559 is 955519601.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 955519601 = 251 ⋅3806851.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-106915559 is a prime.

It is a super-2 number, since 2×106915559² = 22861873512564962, which 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 (106915579) 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, 1724414 + ... + 1724475.

It is an arithmetic number, because the mean of its divisors is an integer number (27591120).

Almost surely, 2^106915559 is an apocalyptic number.

106915559 is a deficient number, since it is larger than the sum of its proper divisors (3448921).

106915559 is an equidigital number, since it uses as much as digits as its factorization.

106915559 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3448920.

The product of its (nonzero) digits is 60750, while the sum is 41.

The square root of 106915559 is about 10339.9980174079. The cubic root of 106915559 is about 474.6210221828.

Adding to 106915559 its sum of digits (41), we get a square (106915600 = 10340²).

The spelling of 106915559 in words is "one hundred six million, nine hundred fifteen thousand, five hundred fifty-nine".