427161072516131 has 2 divisors, whose sum is σ = 427161072516132. Its totient is φ = 427161072516130.

The previous prime is 427161072516127. The next prime is 427161072516133. The reversal of 427161072516131 is 131615270161724.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 427161072516131 - 2² = 427161072516127 is a prime.

It is a super-2 number, since 2×427161072516131² (a number of 30 digits) contains 22 as substring.

Together with 427161072516133, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (427161072516133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 213580536258065 + 213580536258066.

It is an arithmetic number, because the mean of its divisors is an integer number (213580536258066).

Almost surely, 2^{427161072516131} is an apocalyptic number.

427161072516131 is a deficient number, since it is larger than the sum of its proper divisors (1).

427161072516131 is an equidigital number, since it uses as much as digits as its factorization.

427161072516131 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 423360, while the sum is 47.

The spelling of 427161072516131 in words is "four hundred twenty-seven trillion, one hundred sixty-one billion, seventy-two million, five hundred sixteen thousand, one hundred thirty-one".