561578276714745 has 16 divisors (see below), whose sum is σ = 898579069612992. Its totient is φ = 299490471958080.

The previous prime is 561578276714737. The next prime is 561578276714753. The reversal of 561578276714745 is 547417672875165.

It is an interprime number because it is at equal distance from previous prime (561578276714737) and next prime (561578276714753).

It is not a de Polignac number, because 561578276714745 - 2³ = 561578276714737 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1121134371 + ... + 1121635160.

It is an arithmetic number, because the mean of its divisors is an integer number (56161191850812).

Almost surely, 2^{561578276714745} is an apocalyptic number.

It is an amenable number.

561578276714745 is a deficient number, since it is larger than the sum of its proper divisors (337000792898247).

561578276714745 is a wasteful number, since it uses less digits than its factorization.

561578276714745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2242786232.

The product of its digits is 2765952000, while the sum is 75.

The spelling of 561578276714745 in words is "five hundred sixty-one trillion, five hundred seventy-eight billion, two hundred seventy-six million, seven hundred fourteen thousand, seven hundred forty-five".