42156203054 has 8 divisors (see below), whose sum is σ = 72267776688. Its totient is φ = 18066944160.

The previous prime is 42156202967. The next prime is 42156203071. The reversal of 42156203054 is 45030265124.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 42156203054.

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, 1505578667 + ... + 1505578694.

It is an arithmetic number, because the mean of its divisors is an integer number (9033472086).

Almost surely, 2^42156203054 is an apocalyptic number.

42156203054 is a deficient number, since it is larger than the sum of its proper divisors (30111573634).

42156203054 is a wasteful number, since it uses less digits than its factorization.

42156203054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3011157370.

The product of its (nonzero) digits is 28800, while the sum is 32.

Adding to 42156203054 its reverse (45030265124), we get a palindrome (87186468178).

The spelling of 42156203054 in words is "forty-two billion, one hundred fifty-six million, two hundred three thousand, fifty-four".