42261534545 has 8 divisors (see below), whose sum is σ = 51324852096. Its totient is φ = 33401887216.

The previous prime is 42261534541. The next prime is 42261534559. The reversal of 42261534545 is 54543516224.

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 42261534545 - 2² = 42261534541 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (42261534541) by changing a digit.

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, 50917097 + ... + 50917926.

It is an arithmetic number, because the mean of its divisors is an integer number (6415606512).

Almost surely, 2^42261534545 is an apocalyptic number.

It is an amenable number.

42261534545 is a deficient number, since it is larger than the sum of its proper divisors (9063317551).

42261534545 is a wasteful number, since it uses less digits than its factorization.

42261534545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101835111.

The product of its digits is 576000, while the sum is 41.

The spelling of 42261534545 in words is "forty-two billion, two hundred sixty-one million, five hundred thirty-four thousand, five hundred forty-five".