76180138481 has 2 divisors, whose sum is σ = 76180138482. Its totient is φ = 76180138480.

The previous prime is 76180138439. The next prime is 76180138499. The reversal of 76180138481 is 18483108167.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 50733508081 + 25446630400 = 225241^2 + 159520^2 .

It is a cyclic number.

It is not a de Polignac number, because 76180138481 - 2²⁶ = 76113029617 is a prime.

It is a super-2 number, since 2×76180138481² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (76180138381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38090069240 + 38090069241.

It is an arithmetic number, because the mean of its divisors is an integer number (38090069241).

Almost surely, 2^76180138481 is an apocalyptic number.

It is an amenable number.

76180138481 is a deficient number, since it is larger than the sum of its proper divisors (1).

76180138481 is an equidigital number, since it uses as much as digits as its factorization.

76180138481 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 258048, while the sum is 47.

The spelling of 76180138481 in words is "seventy-six billion, one hundred eighty million, one hundred thirty-eight thousand, four hundred eighty-one".