10518627461 has 2 divisors, whose sum is σ = 10518627462. Its totient is φ = 10518627460.

The previous prime is 10518627409. The next prime is 10518627463. The reversal of 10518627461 is 16472681501.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9369078436 + 1149549025 = 96794^2 + 33905^2 .

It is a cyclic number.

It is not a de Polignac number, because 10518627461 - 2⁶ = 10518627397 is a prime.

It is a super-2 number, since 2×10518627461² (a number of 21 digits) contains 22 as substring.

It is a Sophie Germain prime.

Together with 10518627463, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10518627463) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5259313730 + 5259313731.

It is an arithmetic number, because the mean of its divisors is an integer number (5259313731).

Almost surely, 2^10518627461 is an apocalyptic number.

It is an amenable number.

10518627461 is a deficient number, since it is larger than the sum of its proper divisors (1).

10518627461 is an equidigital number, since it uses as much as digits as its factorization.

10518627461 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 80640, while the sum is 41.

The spelling of 10518627461 in words is "ten billion, five hundred eighteen million, six hundred twenty-seven thousand, four hundred sixty-one".