42311153606521 has 16 divisors (see below), whose sum is σ = 43763827903488. Its totient is φ = 40864013856000.

The previous prime is 42311153606497. The next prime is 42311153606551. The reversal of 42311153606521 is 12560635111324.

It is a cyclic number.

It is not a de Polignac number, because 42311153606521 - 2⁹ = 42311153606009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42311153606551) by changing a digit.

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 in 15 ways as a sum of consecutive naturals, for example, 53694645 + ... + 54476941.

It is an arithmetic number, because the mean of its divisors is an integer number (2735239243968).

Almost surely, 2^{42311153606521} is an apocalyptic number.

It is an amenable number.

42311153606521 is a deficient number, since it is larger than the sum of its proper divisors (1452674296967).

42311153606521 is a wasteful number, since it uses less digits than its factorization.

42311153606521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 785832.

The product of its (nonzero) digits is 129600, while the sum is 40.

Adding to 42311153606521 its reverse (12560635111324), we get a palindrome (54871788717845).

The spelling of 42311153606521 in words is "forty-two trillion, three hundred eleven billion, one hundred fifty-three million, six hundred six thousand, five hundred twenty-one".