71142253222142 has 16 divisors (see below), whose sum is σ = 106743028908672. Its totient is φ = 35561244276120.

The previous prime is 71142253222133. The next prime is 71142253222151. The reversal of 71142253222142 is 24122235224117.

It is an interprime number because it is at equal distance from previous prime (71142253222133) and next prime (71142253222151).

It is a super-2 number, since 2×71142253222142² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 71142253222096 and 71142253222105.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 226420073 + ... + 226734059.

It is an arithmetic number, because the mean of its divisors is an integer number (6671439306792).

Almost surely, 2^{71142253222142} is an apocalyptic number.

71142253222142 is a deficient number, since it is larger than the sum of its proper divisors (35600775686530).

71142253222142 is a wasteful number, since it uses less digits than its factorization.

71142253222142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 345103.

The product of its digits is 107520, while the sum is 38.

Adding to 71142253222142 its reverse (24122235224117), we get a palindrome (95264488446259).

The spelling of 71142253222142 in words is "seventy-one trillion, one hundred forty-two billion, two hundred fifty-three million, two hundred twenty-two thousand, one hundred forty-two".