7006375131257 has 2 divisors, whose sum is σ = 7006375131258. Its totient is φ = 7006375131256.

The previous prime is 7006375131247. The next prime is 7006375131269. The reversal of 7006375131257 is 7521315736007.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6001206469696 + 1005168661561 = 2449736^2 + 1002581^2 .

It is a cyclic number.

It is not a de Polignac number, because 7006375131257 - 2⁶ = 7006375131193 is a prime.

It is not a weakly prime, because it can be changed into another prime (7006375131247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3503187565628 + 3503187565629.

It is an arithmetic number, because the mean of its divisors is an integer number (3503187565629).

Almost surely, 2^{7006375131257} is an apocalyptic number.

It is an amenable number.

7006375131257 is a deficient number, since it is larger than the sum of its proper divisors (1).

7006375131257 is an equidigital number, since it uses as much as digits as its factorization.

7006375131257 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 926100, while the sum is 47.

The spelling of 7006375131257 in words is "seven trillion, six billion, three hundred seventy-five million, one hundred thirty-one thousand, two hundred fifty-seven".