42513145161 has 8 divisors (see below), whose sum is σ = 56744692704. Its totient is φ = 28311847200.

The previous prime is 42513145133. The next prime is 42513145163. The reversal of 42513145161 is 16154131524.

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

It is not a de Polignac number, because 42513145161 - 2⁷ = 42513145033 is a prime.

It is a super-2 number, since 2×42513145161² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (42513145163) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7559115 + ... + 7564736.

It is an arithmetic number, because the mean of its divisors is an integer number (7093086588).

Almost surely, 2^42513145161 is an apocalyptic number.

It is an amenable number.

42513145161 is a deficient number, since it is larger than the sum of its proper divisors (14231547543).

42513145161 is a wasteful number, since it uses less digits than its factorization.

42513145161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15124791.

The product of its digits is 14400, while the sum is 33.

Adding to 42513145161 its reverse (16154131524), we get a palindrome (58667276685).

The spelling of 42513145161 in words is "forty-two billion, five hundred thirteen million, one hundred forty-five thousand, one hundred sixty-one".