5861661503 has 2 divisors, whose sum is σ = 5861661504. Its totient is φ = 5861661502.

The previous prime is 5861661497. The next prime is 5861661517. The reversal of 5861661503 is 3051661685.

5861661503 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5861661503 - 2¹⁶ = 5861595967 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5861661563) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2930830751 + 2930830752.

It is an arithmetic number, because the mean of its divisors is an integer number (2930830752).

Almost surely, 2^5861661503 is an apocalyptic number.

5861661503 is a deficient number, since it is larger than the sum of its proper divisors (1).

5861661503 is an equidigital number, since it uses as much as digits as its factorization.

5861661503 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 129600, while the sum is 41.

The square root of 5861661503 is about 76561.4883802555. The cubic root of 5861661503 is about 1803.0464360652.

The spelling of 5861661503 in words is "five billion, eight hundred sixty-one million, six hundred sixty-one thousand, five hundred three".