43512135342045 has 16 divisors (see below), whose sum is σ = 70036299285120. Its totient is φ = 23067511269824.

The previous prime is 43512135342029. The next prime is 43512135342097. The reversal of 43512135342045 is 54024353121534.

It is a cyclic number.

It is not a de Polignac number, because 43512135342045 - 2⁴ = 43512135342029 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 43512135341988 and 43512135342006.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8685054450 + ... + 8685059459.

It is an arithmetic number, because the mean of its divisors is an integer number (4377268705320).

Almost surely, 2^{43512135342045} is an apocalyptic number.

It is an amenable number.

43512135342045 is a deficient number, since it is larger than the sum of its proper divisors (26524163943075).

43512135342045 is a wasteful number, since it uses less digits than its factorization.

43512135342045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17370114084.

The product of its (nonzero) digits is 864000, while the sum is 42.

Adding to 43512135342045 its reverse (54024353121534), we get a palindrome (97536488463579).

The spelling of 43512135342045 in words is "forty-three trillion, five hundred twelve billion, one hundred thirty-five million, three hundred forty-two thousand, forty-five".