42144412541155 has 16 divisors (see below), whose sum is σ = 50818455201024. Its totient is φ = 33552444856320.

The previous prime is 42144412541149. The next prime is 42144412541173. The reversal of 42144412541155 is 55114521444124.

It is a happy number.

It is not a de Polignac number, because 42144412541155 - 2¹⁷ = 42144412410083 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21232366 + ... + 23132275.

It is an arithmetic number, because the mean of its divisors is an integer number (3176153450064).

Almost surely, 2^{42144412541155} is an apocalyptic number.

42144412541155 is a deficient number, since it is larger than the sum of its proper divisors (8674042659869).

42144412541155 is a wasteful number, since it uses less digits than its factorization.

42144412541155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44365566.

The product of its digits is 512000, while the sum is 43.

Adding to 42144412541155 its reverse (55114521444124), we get a palindrome (97258933985279).

The spelling of 42144412541155 in words is "forty-two trillion, one hundred forty-four billion, four hundred twelve million, five hundred forty-one thousand, one hundred fifty-five".