142354543405511 has 4 divisors (see below), whose sum is σ = 142354636630224. Its totient is φ = 142354450180800.

The previous prime is 142354543405493. The next prime is 142354543405513. The reversal of 142354543405511 is 115504345453241.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 142354543405511 - 2³⁰ = 142353469663687 is a prime.

It is a super-2 number, since 2×142354543405511² (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 (142354543405513) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44283050 + ... + 47388791.

It is an arithmetic number, because the mean of its divisors is an integer number (35588659157556).

Almost surely, 2^{142354543405511} is an apocalyptic number.

142354543405511 is a deficient number, since it is larger than the sum of its proper divisors (93224713).

142354543405511 is an equidigital number, since it uses as much as digits as its factorization.

142354543405511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93224712.

The product of its (nonzero) digits is 2880000, while the sum is 47.

Adding to 142354543405511 its reverse (115504345453241), we get a palindrome (257858888858752).

The spelling of 142354543405511 in words is "one hundred forty-two trillion, three hundred fifty-four billion, five hundred forty-three million, four hundred five thousand, five hundred eleven".