1045561450651 has 2 divisors, whose sum is σ = 1045561450652. Its totient is φ = 1045561450650.

The previous prime is 1045561450603. The next prime is 1045561450657. The reversal of 1045561450651 is 1560541655401.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1045561450651 is a prime.

It is a super-3 number, since 3×1045561450651³ (a number of 37 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1045561450598 and 1045561450607.

It is not a weakly prime, because it can be changed into another prime (1045561450657) 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, 522780725325 + 522780725326.

It is an arithmetic number, because the mean of its divisors is an integer number (522780725326).

Almost surely, 2^{1045561450651} is an apocalyptic number.

1045561450651 is a deficient number, since it is larger than the sum of its proper divisors (1).

1045561450651 is an equidigital number, since it uses as much as digits as its factorization.

1045561450651 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 360000, while the sum is 43.

The spelling of 1045561450651 in words is "one trillion, forty-five billion, five hundred sixty-one million, four hundred fifty thousand, six hundred fifty-one".