6711880157 has 2 divisors, whose sum is σ = 6711880158. Its totient is φ = 6711880156.

The previous prime is 6711880141. The next prime is 6711880181. The reversal of 6711880157 is 7510881176.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6582239161 + 129640996 = 81131^2 + 11386^2 .

It is a cyclic number.

It is not a de Polignac number, because 6711880157 - 2⁴ = 6711880141 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6711880117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3355940078 + 3355940079.

It is an arithmetic number, because the mean of its divisors is an integer number (3355940079).

Almost surely, 2^6711880157 is an apocalyptic number.

It is an amenable number.

6711880157 is a deficient number, since it is larger than the sum of its proper divisors (1).

6711880157 is an equidigital number, since it uses as much as digits as its factorization.

6711880157 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 94080, while the sum is 44.

The square root of 6711880157 is about 81926.0651868500. The cubic root of 6711880157 is about 1886.3172275692.

The spelling of 6711880157 in words is "six billion, seven hundred eleven million, eight hundred eighty thousand, one hundred fifty-seven".