43415021542252 has 6 divisors (see below), whose sum is σ = 75976287698948. Its totient is φ = 21707510771124.

The previous prime is 43415021542159. The next prime is 43415021542297. The reversal of 43415021542252 is 25224512051434.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5426877692778 + ... + 5426877692785.

Almost surely, 2^{43415021542252} is an apocalyptic number.

It is an amenable number.

43415021542252 is a deficient number, since it is larger than the sum of its proper divisors (32561266156696).

43415021542252 is a wasteful number, since it uses less digits than its factorization.

43415021542252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10853755385567 (or 10853755385565 counting only the distinct ones).

The product of its (nonzero) digits is 384000, while the sum is 40.

Adding to 43415021542252 its reverse (25224512051434), we get a palindrome (68639533593686).

The spelling of 43415021542252 in words is "forty-three trillion, four hundred fifteen billion, twenty-one million, five hundred forty-two thousand, two hundred fifty-two".