43111320351442 has 64 divisors (see below), whose sum is σ = 76754098195200. Its totient is φ = 17769072787200.

The previous prime is 43111320351389. The next prime is 43111320351467. The reversal of 43111320351442 is 24415302311134.

It is a junction number, because it is equal to n+sod(n) for n = 43111320351398 and 43111320351407.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 546358192 + ... + 546437092.

It is an arithmetic number, because the mean of its divisors is an integer number (1199282784300).

Almost surely, 2^{43111320351442} is an apocalyptic number.

43111320351442 is a deficient number, since it is larger than the sum of its proper divisors (33642777843758).

43111320351442 is a wasteful number, since it uses less digits than its factorization.

43111320351442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84211.

The product of its (nonzero) digits is 34560, while the sum is 34.

Adding to 43111320351442 its reverse (24415302311134), we get a palindrome (67526622662576).

The spelling of 43111320351442 in words is "forty-three trillion, one hundred eleven billion, three hundred twenty million, three hundred fifty-one thousand, four hundred forty-two".