9912910551451 has 2 divisors, whose sum is σ = 9912910551452. Its totient is φ = 9912910551450.

The previous prime is 9912910551433. The next prime is 9912910551463. The reversal of 9912910551451 is 1541550192199.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 9912910551451 - 2²¹ = 9912908454299 is a prime.

It is not a weakly prime, because it can be changed into another prime (9912910551431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4956455275725 + 4956455275726.

It is an arithmetic number, because the mean of its divisors is an integer number (4956455275726).

Almost surely, 2^{9912910551451} is an apocalyptic number.

9912910551451 is a deficient number, since it is larger than the sum of its proper divisors (1).

9912910551451 is an equidigital number, since it uses as much as digits as its factorization.

9912910551451 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 729000, while the sum is 52.

The spelling of 9912910551451 in words is "nine trillion, nine hundred twelve billion, nine hundred ten million, five hundred fifty-one thousand, four hundred fifty-one".