142560673261 has 2 divisors, whose sum is σ = 142560673262. Its totient is φ = 142560673260.

The previous prime is 142560673247. The next prime is 142560673271. The reversal of 142560673261 is 162376065241.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 97332144361 + 45228528900 = 311981^2 + 212670^2 .

It is a cyclic number.

It is not a de Polignac number, because 142560673261 - 2¹¹ = 142560671213 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (142560673271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71280336630 + 71280336631.

It is an arithmetic number, because the mean of its divisors is an integer number (71280336631).

Almost surely, 2^142560673261 is an apocalyptic number.

It is an amenable number.

142560673261 is a deficient number, since it is larger than the sum of its proper divisors (1).

142560673261 is an equidigital number, since it uses as much as digits as its factorization.

142560673261 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 362880, while the sum is 43.

The spelling of 142560673261 in words is "one hundred forty-two billion, five hundred sixty million, six hundred seventy-three thousand, two hundred sixty-one".