42144111441551 has 16 divisors (see below), whose sum is σ = 49624646718528. Its totient is φ = 35038748832000.

The previous prime is 42144111441547. The next prime is 42144111441559. The reversal of 42144111441551 is 15514411144124.

42144111441551 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 42144111441551 - 2² = 42144111441547 is a prime.

It is a super-2 number, since 2×42144111441551² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42144111441559) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 424353800 + ... + 424453101.

It is an arithmetic number, because the mean of its divisors is an integer number (3101540419908).

Almost surely, 2^{42144111441551} is an apocalyptic number.

42144111441551 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

42144111441551 is a deficient number, since it is larger than the sum of its proper divisors (7480535276977).

42144111441551 is a wasteful number, since it uses less digits than its factorization.

42144111441551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 848807122.

The product of its digits is 51200, while the sum is 38.

Adding to 42144111441551 its reverse (15514411144124), we get a palindrome (57658522585675).

The spelling of 42144111441551 in words is "forty-two trillion, one hundred forty-four billion, one hundred eleven million, four hundred forty-one thousand, five hundred fifty-one".