1573225007861 has 16 divisors (see below), whose sum is σ = 1715429506560. Its totient is φ = 1434063061440.

The previous prime is 1573225007779. The next prime is 1573225007863. The reversal of 1573225007861 is 1687005223751.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1573225007861 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1573225007863) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2068220 + ... + 2724698.

It is an arithmetic number, because the mean of its divisors is an integer number (107214344160).

Almost surely, 2^{1573225007861} is an apocalyptic number.

It is an amenable number.

1573225007861 is a deficient number, since it is larger than the sum of its proper divisors (142204498699).

1573225007861 is a wasteful number, since it uses less digits than its factorization.

1573225007861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 658796.

The product of its (nonzero) digits is 705600, while the sum is 47.

The spelling of 1573225007861 in words is "one trillion, five hundred seventy-three billion, two hundred twenty-five million, seven thousand, eight hundred sixty-one".