141555766361 has 4 divisors (see below), whose sum is σ = 142808472372. Its totient is φ = 140303060352.

The previous prime is 141555766349. The next prime is 141555766393. The reversal of 141555766361 is 163667555141.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 163667555141 = 1123 ⋅145741367.

It can be written as a sum of positive squares in 2 ways, for example, as 76131846400 + 65423919961 = 275920^2 + 255781^2 .

It is a cyclic number.

It is not a de Polignac number, because 141555766361 - 2³⁰ = 140482024537 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (141555766301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 626352836 + ... + 626353061.

It is an arithmetic number, because the mean of its divisors is an integer number (35702118093).

Almost surely, 2^141555766361 is an apocalyptic number.

It is an amenable number.

141555766361 is a deficient number, since it is larger than the sum of its proper divisors (1252706011).

141555766361 is a wasteful number, since it uses less digits than its factorization.

141555766361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1252706010.

The product of its digits is 2268000, while the sum is 50.

The spelling of 141555766361 in words is "one hundred forty-one billion, five hundred fifty-five million, seven hundred sixty-six thousand, three hundred sixty-one".