106561373434 has 4 divisors (see below), whose sum is σ = 159842060154. Its totient is φ = 53280686716.

The previous prime is 106561373431. The next prime is 106561373437. The reversal of 106561373434 is 434373165601.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 434373165601 = 73 ⋅5950317337.

It is an interprime number because it is at equal distance from previous prime (106561373431) and next prime (106561373437).

It can be written as a sum of positive squares in only one way, i.e., 72982643409 + 33578730025 = 270153^2 + 183245^2 .

It is a super-2 number, since 2×106561373434² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (106561373431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26640343357 + ... + 26640343360.

Almost surely, 2^106561373434 is an apocalyptic number.

106561373434 is a deficient number, since it is larger than the sum of its proper divisors (53280686720).

106561373434 is an equidigital number, since it uses as much as digits as its factorization.

106561373434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53280686719.

The product of its (nonzero) digits is 544320, while the sum is 43.

The spelling of 106561373434 in words is "one hundred six billion, five hundred sixty-one million, three hundred seventy-three thousand, four hundred thirty-four".