42542532115 has 8 divisors (see below), whose sum is σ = 51097582080. Its totient is φ = 34002996672.

The previous prime is 42542532091. The next prime is 42542532119. The reversal of 42542532115 is 51123524524.

It is a happy number.

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 42542532115 - 2¹³ = 42542523923 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42542532119) 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, 3872595 + ... + 3883564.

It is an arithmetic number, because the mean of its divisors is an integer number (6387197760).

Almost surely, 2^42542532115 is an apocalyptic number.

42542532115 is a deficient number, since it is larger than the sum of its proper divisors (8555049965).

42542532115 is a wasteful number, since it uses less digits than its factorization.

42542532115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7757261.

The product of its digits is 48000, while the sum is 34.

The spelling of 42542532115 in words is "forty-two billion, five hundred forty-two million, five hundred thirty-two thousand, one hundred fifteen".