42155156519 has 8 divisors (see below), whose sum is σ = 48235443360. Its totient is φ = 36089400096.

The previous prime is 42155156507. The next prime is 42155156557. The reversal of 42155156519 is 91565155124.

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 42155156519 - 2⁴ = 42155156503 is a prime.

It is a super-2 number, since 2×42155156519² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 42155156519.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42155156119) 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, 3626384 + ... + 3637989.

It is an arithmetic number, because the mean of its divisors is an integer number (6029430420).

Almost surely, 2^42155156519 is an apocalyptic number.

42155156519 is a deficient number, since it is larger than the sum of its proper divisors (6080286841).

42155156519 is an equidigital number, since it uses as much as digits as its factorization.

42155156519 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7265209.

The product of its digits is 270000, while the sum is 44.

The spelling of 42155156519 in words is "forty-two billion, one hundred fifty-five million, one hundred fifty-six thousand, five hundred nineteen".