315550661040143 has 2 divisors, whose sum is σ = 315550661040144. Its totient is φ = 315550661040142.

The previous prime is 315550661040079. The next prime is 315550661040179. The reversal of 315550661040143 is 341040166055513.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 315550661040143 - 2⁶ = 315550661040079 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 315550661040094 and 315550661040103.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (315550661040343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 157775330520071 + 157775330520072.

It is an arithmetic number, because the mean of its divisors is an integer number (157775330520072).

Almost surely, 2^{315550661040143} is an apocalyptic number.

315550661040143 is a deficient number, since it is larger than the sum of its proper divisors (1).

315550661040143 is an equidigital number, since it uses as much as digits as its factorization.

315550661040143 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648000, while the sum is 44.

The spelling of 315550661040143 in words is "three hundred fifteen trillion, five hundred fifty billion, six hundred sixty-one million, forty thousand, one hundred forty-three".