42546603103551 has 6 divisors (see below), whose sum is σ = 61456204482920. Its totient is φ = 28364402069028.

The previous prime is 42546603103469. The next prime is 42546603103559. The reversal of 42546603103551 is 15530130664524.

It is a happy number.

42546603103551 is a `hidden beast` number, since 4 + 2 + 5 + 4 + 6 + 60 + 31 + 0 + 3 + 551 = 666.

42546603103551 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 42546603103551 - 2¹⁹ = 42546602579263 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 42546603103497 and 42546603103506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42546603103559) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2363700172411 + ... + 2363700172428.

Almost surely, 2^{42546603103551} is an apocalyptic number.

42546603103551 is a deficient number, since it is larger than the sum of its proper divisors (18909601379369).

42546603103551 is a wasteful number, since it uses less digits than its factorization.

42546603103551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4727400344845 (or 4727400344842 counting only the distinct ones).

The product of its (nonzero) digits is 1296000, while the sum is 45.

The spelling of 42546603103551 in words is "forty-two trillion, five hundred forty-six billion, six hundred three million, one hundred three thousand, five hundred fifty-one".