11428071434 has 32 divisors (see below), whose sum is σ = 18900000000. Its totient is φ = 5150193984.

The previous prime is 11428071407. The next prime is 11428071437. The reversal of 11428071434 is 43417082411.

It is a junction number, because it is equal to n+sod(n) for n = 11428071394 and 11428071403.

It is not an unprimeable number, because it can be changed into a prime (11428071437) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 203567 + ... + 253565.

It is an arithmetic number, because the mean of its divisors is an integer number (590625000).

Almost surely, 2^11428071434 is an apocalyptic number.

11428071434 is a deficient number, since it is larger than the sum of its proper divisors (7471928566).

11428071434 is a wasteful number, since it uses less digits than its factorization.

11428071434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50222.

The product of its (nonzero) digits is 21504, while the sum is 35.

The spelling of 11428071434 in words is "eleven billion, four hundred twenty-eight million, seventy-one thousand, four hundred thirty-four".