142691055711077 has 2 divisors, whose sum is σ = 142691055711078. Its totient is φ = 142691055711076.

The previous prime is 142691055711067. The next prime is 142691055711097. The reversal of 142691055711077 is 770117550196241.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 93443658223876 + 49247397487201 = 9666626^2 + 7017649^2 .

It is a cyclic number.

It is not a de Polignac number, because 142691055711077 - 2⁶ = 142691055711013 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (142691055711067) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71345527855538 + 71345527855539.

It is an arithmetic number, because the mean of its divisors is an integer number (71345527855539).

Almost surely, 2^{142691055711077} is an apocalyptic number.

It is an amenable number.

142691055711077 is a deficient number, since it is larger than the sum of its proper divisors (1).

142691055711077 is an equidigital number, since it uses as much as digits as its factorization.

142691055711077 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3704400, while the sum is 56.

The spelling of 142691055711077 in words is "one hundred forty-two trillion, six hundred ninety-one billion, fifty-five million, seven hundred eleven thousand, seventy-seven".