6131006666357 has 2 divisors, whose sum is σ = 6131006666358. Its totient is φ = 6131006666356.

The previous prime is 6131006666311. The next prime is 6131006666387. The reversal of 6131006666357 is 7536666001316.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5801744159761 + 329262506596 = 2408681^2 + 573814^2 .

It is a cyclic number.

It is not a de Polignac number, because 6131006666357 - 2¹⁴ = 6131006649973 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6131006666387) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3065503333178 + 3065503333179.

It is an arithmetic number, because the mean of its divisors is an integer number (3065503333179).

Almost surely, 2^{6131006666357} is an apocalyptic number.

It is an amenable number.

6131006666357 is a deficient number, since it is larger than the sum of its proper divisors (1).

6131006666357 is an equidigital number, since it uses as much as digits as its factorization.

6131006666357 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2449440, while the sum is 50.

The spelling of 6131006666357 in words is "six trillion, one hundred thirty-one billion, six million, six hundred sixty-six thousand, three hundred fifty-seven".