142531344540511 has 8 divisors (see below), whose sum is σ = 143402129418240. Its totient is φ = 141660765660408.

The previous prime is 142531344540463. The next prime is 142531344540593. The reversal of 142531344540511 is 115045443135241.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 142531344540511 - 2²⁷ = 142531210322783 is a prime.

It is a super-2 number, since 2×142531344540511² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145531344540511) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50111251 + ... + 52879108.

It is an arithmetic number, because the mean of its divisors is an integer number (17925266177280).

Almost surely, 2^{142531344540511} is an apocalyptic number.

142531344540511 is a deficient number, since it is larger than the sum of its proper divisors (870784877729).

142531344540511 is a wasteful number, since it uses less digits than its factorization.

142531344540511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102998813.

The product of its (nonzero) digits is 576000, while the sum is 43.

Adding to 142531344540511 its reverse (115045443135241), we get a palindrome (257576787675752).

The spelling of 142531344540511 in words is "one hundred forty-two trillion, five hundred thirty-one billion, three hundred forty-four million, five hundred forty thousand, five hundred eleven".