1516716105551 has 2 divisors, whose sum is σ = 1516716105552. Its totient is φ = 1516716105550.

The previous prime is 1516716105547. The next prime is 1516716105557. The reversal of 1516716105551 is 1555016176151.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1516716105551 - 2² = 1516716105547 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1516716105557) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 758358052775 + 758358052776.

It is an arithmetic number, because the mean of its divisors is an integer number (758358052776).

Almost surely, 2^{1516716105551} is an apocalyptic number.

1516716105551 is a deficient number, since it is larger than the sum of its proper divisors (1).

1516716105551 is an equidigital number, since it uses as much as digits as its factorization.

1516716105551 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 157500, while the sum is 44.

The spelling of 1516716105551 in words is "one trillion, five hundred sixteen billion, seven hundred sixteen million, one hundred five thousand, five hundred fifty-one".