142776431164111 has 4 divisors (see below), whose sum is σ = 142776772485400. Its totient is φ = 142776089842824.

The previous prime is 142776431164091. The next prime is 142776431164121. The reversal of 142776431164111 is 111461134677241.

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 142776431164111 - 2³¹ = 142774283680463 is a prime.

It is a super-2 number, since 2×142776431164111² (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 (142776431164121) 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, 170032416 + ... + 170870053.

It is an arithmetic number, because the mean of its divisors is an integer number (35694193121350).

Almost surely, 2^{142776431164111} is an apocalyptic number.

142776431164111 is a deficient number, since it is larger than the sum of its proper divisors (341321289).

142776431164111 is an equidigital number, since it uses as much as digits as its factorization.

142776431164111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 341321288.

The product of its digits is 677376, while the sum is 49.

The spelling of 142776431164111 in words is "one hundred forty-two trillion, seven hundred seventy-six billion, four hundred thirty-one million, one hundred sixty-four thousand, one hundred eleven".