42542541512 has 16 divisors (see below), whose sum is σ = 79891329840. Its totient is φ = 21238186896.

The previous prime is 42542541511. The next prime is 42542541523. The reversal of 42542541512 is 21514524524.

It is a super-2 number, since 2×42542541512² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (42542541511) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4130018 + ... + 4140305.

It is an arithmetic number, because the mean of its divisors is an integer number (4993208115).

Almost surely, 2^42542541512 is an apocalyptic number.

It is an amenable number.

42542541512 is a deficient number, since it is larger than the sum of its proper divisors (37348788328).

42542541512 is a wasteful number, since it uses less digits than its factorization.

42542541512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8270972 (or 8270968 counting only the distinct ones).

The product of its digits is 64000, while the sum is 35.

The spelling of 42542541512 in words is "forty-two billion, five hundred forty-two million, five hundred forty-one thousand, five hundred twelve".