42141201155 has 4 divisors (see below), whose sum is σ = 50569441392. Its totient is φ = 33712960920.

The previous prime is 42141201139. The next prime is 42141201169. The reversal of 42141201155 is 55110214124.

It is a happy number.

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

It is not a de Polignac number, because 42141201155 - 2⁴ = 42141201139 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4214120111 + ... + 4214120120.

It is an arithmetic number, because the mean of its divisors is an integer number (12642360348).

Almost surely, 2^42141201155 is an apocalyptic number.

42141201155 is a deficient number, since it is larger than the sum of its proper divisors (8428240237).

42141201155 is an equidigital number, since it uses as much as digits as its factorization.

42141201155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8428240236.

The product of its (nonzero) digits is 1600, while the sum is 26.

Adding to 42141201155 its reverse (55110214124), we get a palindrome (97251415279).

The spelling of 42141201155 in words is "forty-two billion, one hundred forty-one million, two hundred one thousand, one hundred fifty-five".