42015511412 has 12 divisors (see below), whose sum is σ = 84031022880. Its totient is φ = 18006647736.

The previous prime is 42015511409. The next prime is 42015511451. The reversal of 42015511412 is 21411551024.

It is a happy number.

42015511412 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 750276962 + ... + 750277017.

It is an arithmetic number, because the mean of its divisors is an integer number (7002585240).

Almost surely, 2^42015511412 is an apocalyptic number.

It is an amenable number.

42015511412 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42015511412 is a wasteful number, since it uses less digits than its factorization.

42015511412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1500553990 (or 1500553988 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 26.

The spelling of 42015511412 in words is "forty-two billion, fifteen million, five hundred eleven thousand, four hundred twelve".