42516462101 has 4 divisors (see below), whose sum is σ = 42892714092. Its totient is φ = 42140210112.

The previous prime is 42516462083. The next prime is 42516462143. The reversal of 42516462101 is 10126461524.

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 18576327025 + 23940135076 = 136295^2 + 154726^2 .

It is a cyclic number.

It is not a de Polignac number, because 42516462101 - 2²⁶ = 42449353237 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42516462301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 188125826 + ... + 188126051.

It is an arithmetic number, because the mean of its divisors is an integer number (10723178523).

Almost surely, 2^42516462101 is an apocalyptic number.

It is an amenable number.

42516462101 is a deficient number, since it is larger than the sum of its proper divisors (376251991).

42516462101 is a wasteful number, since it uses less digits than its factorization.

42516462101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 376251990.

The product of its (nonzero) digits is 11520, while the sum is 32.

The spelling of 42516462101 in words is "forty-two billion, five hundred sixteen million, four hundred sixty-two thousand, one hundred one".