144214535511 has 16 divisors (see below), whose sum is σ = 216660337920. Its totient is φ = 94788895320.

The previous prime is 144214535503. The next prime is 144214535539. The reversal of 144214535511 is 115535412441.

144214535511 is a `hidden beast` number, since 1 + 4 + 42 + 14 + 53 + 551 + 1 = 666.

It is not a de Polignac number, because 144214535511 - 2³ = 144214535503 is a prime.

It is a super-2 number, since 2×144214535511² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144214535011) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37612725 + ... + 37616558.

It is an arithmetic number, because the mean of its divisors is an integer number (13541271120).

Almost surely, 2^144214535511 is an apocalyptic number.

144214535511 is a deficient number, since it is larger than the sum of its proper divisors (72445802409).

144214535511 is an equidigital number, since it uses as much as digits as its factorization.

144214535511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75229363 (or 75229357 counting only the distinct ones).

The product of its digits is 48000, while the sum is 36.

Adding to 144214535511 its reverse (115535412441), we get a palindrome (259749947952).

The spelling of 144214535511 in words is "one hundred forty-four billion, two hundred fourteen million, five hundred thirty-five thousand, five hundred eleven".