42534552353015 has 16 divisors (see below), whose sum is σ = 51140559790080. Its totient is φ = 33961618822560.

The previous prime is 42534552353003. The next prime is 42534552353017. The reversal of 42534552353015 is 51035325543524.

It is a happy number.

It is not a de Polignac number, because 42534552353015 - 2⁸ = 42534552352759 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42534552353017) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5590346 + ... + 10785224.

It is an arithmetic number, because the mean of its divisors is an integer number (3196284986880).

Almost surely, 2^{42534552353015} is an apocalyptic number.

42534552353015 is a deficient number, since it is larger than the sum of its proper divisors (8606007437065).

42534552353015 is a wasteful number, since it uses less digits than its factorization.

42534552353015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5198062.

The product of its (nonzero) digits is 5400000, while the sum is 47.

Adding to 42534552353015 its reverse (51035325543524), we get a palindrome (93569877896539).

The spelling of 42534552353015 in words is "forty-two trillion, five hundred thirty-four billion, five hundred fifty-two million, three hundred fifty-three thousand, fifteen".