106122591913 has 4 divisors (see below), whose sum is σ = 114285868228. Its totient is φ = 97959315600.

The previous prime is 106122591907. The next prime is 106122591931. The reversal of 106122591913 is 319195221601.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 18369194089 + 87753397824 = 135533^2 + 296232^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-106122591913 is a prime.

It is a super-2 number, since 2×106122591913² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (106122591943) 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, 4081638138 + ... + 4081638163.

It is an arithmetic number, because the mean of its divisors is an integer number (28571467057).

Almost surely, 2^106122591913 is an apocalyptic number.

106122591913 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

106122591913 is a deficient number, since it is larger than the sum of its proper divisors (8163276315).

106122591913 is an equidigital number, since it uses as much as digits as its factorization.

106122591913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8163276314.

The product of its (nonzero) digits is 29160, while the sum is 40.

The spelling of 106122591913 in words is "one hundred six billion, one hundred twenty-two million, five hundred ninety-one thousand, nine hundred thirteen".