142422312511 has 16 divisors (see below), whose sum is σ = 151475696064. Its totient is φ = 133632221184.

The previous prime is 142422312509. The next prime is 142422312523. The reversal of 142422312511 is 115213224241.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 142422312511 - 2¹ = 142422312509 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 142422312511.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142422312551) 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, 30366 + ... + 534571.

It is an arithmetic number, because the mean of its divisors is an integer number (9467231004).

Almost surely, 2^142422312511 is an apocalyptic number.

142422312511 is a deficient number, since it is larger than the sum of its proper divisors (9053383553).

142422312511 is a wasteful number, since it uses less digits than its factorization.

142422312511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 565170.

The product of its digits is 3840, while the sum is 28.

Adding to 142422312511 its reverse (115213224241), we get a palindrome (257635536752).

The spelling of 142422312511 in words is "one hundred forty-two billion, four hundred twenty-two million, three hundred twelve thousand, five hundred eleven".