43143115505434 has 16 divisors (see below), whose sum is σ = 74335056162048. Its totient is φ = 18396049249872.

The previous prime is 43143115505423. The next prime is 43143115505447. The reversal of 43143115505434 is 43450551134134.

It is a super-2 number, since 2×43143115505434² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7821446754 + ... + 7821452269.

It is an arithmetic number, because the mean of its divisors is an integer number (4645941010128).

Almost surely, 2^{43143115505434} is an apocalyptic number.

43143115505434 is a deficient number, since it is larger than the sum of its proper divisors (31191940656614).

43143115505434 is a wasteful number, since it uses less digits than its factorization.

43143115505434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15642899229.

The product of its (nonzero) digits is 864000, while the sum is 43.

Adding to 43143115505434 its reverse (43450551134134), we get a palindrome (86593666639568).

The spelling of 43143115505434 in words is "forty-three trillion, one hundred forty-three billion, one hundred fifteen million, five hundred five thousand, four hundred thirty-four".