42133145551 has 8 divisors (see below), whose sum is σ = 48159839520. Its totient is φ = 36108369888.

The previous prime is 42133145543. The next prime is 42133145653. The reversal of 42133145551 is 15554133124.

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 42133145551 - 2³ = 42133145543 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 (42133145051) 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, 432196 + ... + 520633.

It is an arithmetic number, because the mean of its divisors is an integer number (6019979940).

Almost surely, 2^42133145551 is an apocalyptic number.

42133145551 is a deficient number, since it is larger than the sum of its proper divisors (6026693969).

42133145551 is an equidigital number, since it uses as much as digits as its factorization.

42133145551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 959153.

The product of its digits is 36000, while the sum is 34.

Adding to 42133145551 its reverse (15554133124), we get a palindrome (57687278675).

The spelling of 42133145551 in words is "forty-two billion, one hundred thirty-three million, one hundred forty-five thousand, five hundred fifty-one".