106942268561 has 4 divisors (see below), whose sum is σ = 108230729712. Its totient is φ = 105653807412.

The previous prime is 106942268551. The next prime is 106942268567. The reversal of 106942268561 is 165862249601.

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, and also an emirpimes, since its reverse is a distinct semiprime: 165862249601 = 1109 ⋅149560189.

It is a cyclic number.

It is not a de Polignac number, because 106942268561 - 2¹⁴ = 106942252177 is a prime.

It is a super-2 number, since 2×106942268561² (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 (106942268567) 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, 644230451 + ... + 644230616.

It is an arithmetic number, because the mean of its divisors is an integer number (27057682428).

Almost surely, 2^106942268561 is an apocalyptic number.

It is an amenable number.

106942268561 is a deficient number, since it is larger than the sum of its proper divisors (1288461151).

106942268561 is an equidigital number, since it uses as much as digits as its factorization.

106942268561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1288461150.

The product of its (nonzero) digits is 1244160, while the sum is 50.

The spelling of 106942268561 in words is "one hundred six billion, nine hundred forty-two million, two hundred sixty-eight thousand, five hundred sixty-one".