142522626520117 has 2 divisors, whose sum is σ = 142522626520118. Its totient is φ = 142522626520116.

The previous prime is 142522626520061. The next prime is 142522626520189. The reversal of 142522626520117 is 711025626225241.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 103266061084081 + 39256565436036 = 10161991^2 + 6265506^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-142522626520117 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (142522626820117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71261313260058 + 71261313260059.

It is an arithmetic number, because the mean of its divisors is an integer number (71261313260059).

Almost surely, 2^{142522626520117} is an apocalyptic number.

It is an amenable number.

142522626520117 is a deficient number, since it is larger than the sum of its proper divisors (1).

142522626520117 is an equidigital number, since it uses as much as digits as its factorization.

142522626520117 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 806400, while the sum is 46.

The spelling of 142522626520117 in words is "one hundred forty-two trillion, five hundred twenty-two billion, six hundred twenty-six million, five hundred twenty thousand, one hundred seventeen".