143611801583 has 2 divisors, whose sum is σ = 143611801584. Its totient is φ = 143611801582.

The previous prime is 143611801513. The next prime is 143611801603. The reversal of 143611801583 is 385108116341.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 143611801583 - 2¹⁸ = 143611539439 is a prime.

It is a super-2 number, since 2×143611801583² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 143611801583.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (143611801513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71805900791 + 71805900792.

It is an arithmetic number, because the mean of its divisors is an integer number (71805900792).

Almost surely, 2^143611801583 is an apocalyptic number.

143611801583 is a deficient number, since it is larger than the sum of its proper divisors (1).

143611801583 is an equidigital number, since it uses as much as digits as its factorization.

143611801583 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 69120, while the sum is 41.

The spelling of 143611801583 in words is "one hundred forty-three billion, six hundred eleven million, eight hundred one thousand, five hundred eighty-three".