144435020011531 has 2 divisors, whose sum is σ = 144435020011532. Its totient is φ = 144435020011530.

The previous prime is 144435020011493. The next prime is 144435020011543. The reversal of 144435020011531 is 135110020534441.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 144435020011531 - 2⁴³ = 135638926989323 is a prime.

It is a super-2 number, since 2×144435020011531² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (144435020041531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72217510005765 + 72217510005766.

It is an arithmetic number, because the mean of its divisors is an integer number (72217510005766).

Almost surely, 2^{144435020011531} is an apocalyptic number.

144435020011531 is a deficient number, since it is larger than the sum of its proper divisors (1).

144435020011531 is an equidigital number, since it uses as much as digits as its factorization.

144435020011531 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 28800, while the sum is 34.

Adding to 144435020011531 its reverse (135110020534441), we get a palindrome (279545040545972).

The spelling of 144435020011531 in words is "one hundred forty-four trillion, four hundred thirty-five billion, twenty million, eleven thousand, five hundred thirty-one".