5196490661123 has 2 divisors, whose sum is σ = 5196490661124. Its totient is φ = 5196490661122.

The previous prime is 5196490661119. The next prime is 5196490661129. The reversal of 5196490661123 is 3211660946915.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5196490661123 - 2² = 5196490661119 is a prime.

It is a super-2 number, since 2×5196490661123² (a number of 26 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (5196490661129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2598245330561 + 2598245330562.

It is an arithmetic number, because the mean of its divisors is an integer number (2598245330562).

Almost surely, 2^{5196490661123} is an apocalyptic number.

5196490661123 is a deficient number, since it is larger than the sum of its proper divisors (1).

5196490661123 is an equidigital number, since it uses as much as digits as its factorization.

5196490661123 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2099520, while the sum is 53.

The spelling of 5196490661123 in words is "five trillion, one hundred ninety-six billion, four hundred ninety million, six hundred sixty-one thousand, one hundred twenty-three".