43115523142215 has 16 divisors (see below), whose sum is σ = 71984177768448. Its totient is φ = 21995165428896.

The previous prime is 43115523142207. The next prime is 43115523142249. The reversal of 43115523142215 is 51224132551134.

It is not a de Polignac number, because 43115523142215 - 2³ = 43115523142207 is a prime.

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, 62486265079 + ... + 62486265768.

It is an arithmetic number, because the mean of its divisors is an integer number (4499011110528).

Almost surely, 2^{43115523142215} is an apocalyptic number.

43115523142215 is a deficient number, since it is larger than the sum of its proper divisors (28868654626233).

43115523142215 is a wasteful number, since it uses less digits than its factorization.

43115523142215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124972530878.

The product of its digits is 144000, while the sum is 39.

Adding to 43115523142215 its reverse (51224132551134), we get a palindrome (94339655693349).

The spelling of 43115523142215 in words is "forty-three trillion, one hundred fifteen billion, five hundred twenty-three million, one hundred forty-two thousand, two hundred fifteen".