42315500424101 has 4 divisors (see below), whose sum is σ = 42315520825932. Its totient is φ = 42315480022272.

The previous prime is 42315500424097. The next prime is 42315500424143. The reversal of 42315500424101 is 10142400551324.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 21375587143876 + 20939913280225 = 4623374^2 + 4576015^2 .

It is a cyclic number.

It is not a de Polignac number, because 42315500424101 - 2² = 42315500424097 is a prime.

It is a super-2 number, since 2×42315500424101² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42315500429101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6686066 + ... + 11372531.

It is an arithmetic number, because the mean of its divisors is an integer number (10578880206483).

Almost surely, 2^{42315500424101} is an apocalyptic number.

It is an amenable number.

42315500424101 is a deficient number, since it is larger than the sum of its proper divisors (20401831).

42315500424101 is a wasteful number, since it uses less digits than its factorization.

42315500424101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20401830.

The product of its (nonzero) digits is 19200, while the sum is 32.

Adding to 42315500424101 its reverse (10142400551324), we get a palindrome (52457900975425).

The spelling of 42315500424101 in words is "forty-two trillion, three hundred fifteen billion, five hundred million, four hundred twenty-four thousand, one hundred one".