42188986551 has 8 divisors (see below), whose sum is σ = 56253101184. Its totient is φ = 28125431480.

The previous prime is 42188986529. The next prime is 42188986603. The reversal of 42188986551 is 15568988124.

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 42188986551 - 2¹⁴ = 42188970167 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 42188986491 and 42188986500.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42188986951) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 90016 + ... + 304106.

It is an arithmetic number, because the mean of its divisors is an integer number (7031637648).

Almost surely, 2^42188986551 is an apocalyptic number.

42188986551 is a deficient number, since it is larger than the sum of its proper divisors (14064114633).

42188986551 is a wasteful number, since it uses less digits than its factorization.

42188986551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 279781.

The product of its digits is 5529600, while the sum is 57.

The spelling of 42188986551 in words is "forty-two billion, one hundred eighty-eight million, nine hundred eighty-six thousand, five hundred fifty-one".