142512530021311 has 8 divisors (see below), whose sum is σ = 143778252375504. Its totient is φ = 141246887483520.

The previous prime is 142512530021297. The next prime is 142512530021339. The reversal of 142512530021311 is 113120035215241.

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 142512530021311 - 2¹¹ = 142512530019263 is a prime.

It is a super-2 number, since 2×142512530021311² (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 (142512530321311) 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, 16364380 + ... + 23512081.

It is an arithmetic number, because the mean of its divisors is an integer number (17972281546938).

Almost surely, 2^{142512530021311} is an apocalyptic number.

142512530021311 is a deficient number, since it is larger than the sum of its proper divisors (1265722354193).

142512530021311 is a wasteful number, since it uses less digits than its factorization.

142512530021311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39908201.

The product of its (nonzero) digits is 7200, while the sum is 31.

Adding to 142512530021311 its reverse (113120035215241), we get a palindrome (255632565236552).

The spelling of 142512530021311 in words is "one hundred forty-two trillion, five hundred twelve billion, five hundred thirty million, twenty-one thousand, three hundred eleven".