42121404364315 has 8 divisors (see below), whose sum is σ = 50710329164880. Its totient is φ = 33587360872992.

The previous prime is 42121404364297. The next prime is 42121404364387. The reversal of 42121404364315 is 51346340412124.

42121404364315 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 42121404364315 - 2²³ = 42121395975707 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13720325620 + ... + 13720328689.

It is an arithmetic number, because the mean of its divisors is an integer number (6338791145610).

Almost surely, 2^{42121404364315} is an apocalyptic number.

42121404364315 is a deficient number, since it is larger than the sum of its proper divisors (8588924800565).

42121404364315 is a wasteful number, since it uses less digits than its factorization.

42121404364315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27440654621.

The product of its (nonzero) digits is 276480, while the sum is 40.

Adding to 42121404364315 its reverse (51346340412124), we get a palindrome (93467744776439).

The spelling of 42121404364315 in words is "forty-two trillion, one hundred twenty-one billion, four hundred four million, three hundred sixty-four thousand, three hundred fifteen".