42111107481 has 8 divisors (see below), whose sum is σ = 56399929600. Its totient is φ = 27948178512.

The previous prime is 42111107477. The next prime is 42111107497. The reversal of 42111107481 is 18470111124.

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

It is not a de Polignac number, because 42111107481 - 2² = 42111107477 is a prime.

It is a super-2 number, since 2×42111107481² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42111107431) 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, 31472506 + ... + 31473843.

It is an arithmetic number, because the mean of its divisors is an integer number (7049991200).

Almost surely, 2^42111107481 is an apocalyptic number.

It is an amenable number.

42111107481 is a deficient number, since it is larger than the sum of its proper divisors (14288822119).

42111107481 is a wasteful number, since it uses less digits than its factorization.

42111107481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62946575.

The product of its (nonzero) digits is 1792, while the sum is 30.

The spelling of 42111107481 in words is "forty-two billion, one hundred eleven million, one hundred seven thousand, four hundred eighty-one".