1861725703113 has 16 divisors (see below), whose sum is σ = 2763729508800. Its totient is φ = 1238622658560.

The previous prime is 1861725703093. The next prime is 1861725703151. The reversal of 1861725703113 is 3113075271681.

1861725703113 is a `hidden beast` number, since 1 + 8 + 6 + 1 + 72 + 570 + 3 + 1 + 1 + 3 = 666.

It is not a de Polignac number, because 1861725703113 - 2¹⁷ = 1861725572041 is a prime.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (1861725703163) 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, 70203448 + ... + 70229961.

It is an arithmetic number, because the mean of its divisors is an integer number (172733094300).

Almost surely, 2^{1861725703113} is an apocalyptic number.

It is an amenable number.

1861725703113 is a deficient number, since it is larger than the sum of its proper divisors (902003805687).

1861725703113 is a wasteful number, since it uses less digits than its factorization.

1861725703113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140433909 (or 140433903 counting only the distinct ones).

The product of its (nonzero) digits is 211680, while the sum is 45.

The spelling of 1861725703113 in words is "one trillion, eight hundred sixty-one billion, seven hundred twenty-five million, seven hundred three thousand, one hundred thirteen".