711126620434 has 4 divisors (see below), whose sum is σ = 1066689930654. Its totient is φ = 355563310216.

The previous prime is 711126620419. The next prime is 711126620437. The reversal of 711126620434 is 434026621117.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 434026621117 = 83 ⋅5229236399.

It can be written as a sum of positive squares in only one way, i.e., 639524888209 + 71601732225 = 799703^2 + 267585^2 .

It is a junction number, because it is equal to n+sod(n) for n = 711126620393 and 711126620402.

It is not an unprimeable number, because it can be changed into a prime (711126620437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 177781655107 + ... + 177781655110.

Almost surely, 2^711126620434 is an apocalyptic number.

711126620434 is a deficient number, since it is larger than the sum of its proper divisors (355563310220).

711126620434 is a wasteful number, since it uses less digits than its factorization.

711126620434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 355563310219.

The product of its (nonzero) digits is 48384, while the sum is 37.

The spelling of 711126620434 in words is "seven hundred eleven billion, one hundred twenty-six million, six hundred twenty thousand, four hundred thirty-four".