141604611781 has 2 divisors, whose sum is σ = 141604611782. Its totient is φ = 141604611780.

The previous prime is 141604611739. The next prime is 141604611803. The reversal of 141604611781 is 187116406141.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 100261522881 + 41343088900 = 316641^2 + 203330^2 .

It is a cyclic number.

It is not a de Polignac number, because 141604611781 - 2¹⁵ = 141604579013 is a prime.

It is a super-2 number, since 2×141604611781² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (141604611481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70802305890 + 70802305891.

It is an arithmetic number, because the mean of its divisors is an integer number (70802305891).

Almost surely, 2^141604611781 is an apocalyptic number.

It is an amenable number.

141604611781 is a deficient number, since it is larger than the sum of its proper divisors (1).

141604611781 is an equidigital number, since it uses as much as digits as its factorization.

141604611781 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32256, while the sum is 40.

The spelling of 141604611781 in words is "one hundred forty-one billion, six hundred four million, six hundred eleven thousand, seven hundred eighty-one".