42655641503 has 4 divisors (see below), whose sum is σ = 42872167800. Its totient is φ = 42439115208.

The previous prime is 42655641499. The next prime is 42655641521. The reversal of 42655641503 is 30514655624.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 42655641503 - 2² = 42655641499 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42655641403) 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, 108262853 + ... + 108263246.

It is an arithmetic number, because the mean of its divisors is an integer number (10718041950).

Almost surely, 2^42655641503 is an apocalyptic number.

42655641503 is a deficient number, since it is larger than the sum of its proper divisors (216526297).

42655641503 is a wasteful number, since it uses less digits than its factorization.

42655641503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 216526296.

The product of its (nonzero) digits is 432000, while the sum is 41.

The spelling of 42655641503 in words is "forty-two billion, six hundred fifty-five million, six hundred forty-one thousand, five hundred three".