1141239921677 has 2 divisors, whose sum is σ = 1141239921678. Its totient is φ = 1141239921676.

The previous prime is 1141239921673. The next prime is 1141239921737. The reversal of 1141239921677 is 7761299321411.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1026521554276 + 114718367401 = 1013174^2 + 338701^2 .

It is a cyclic number.

It is not a de Polignac number, because 1141239921677 - 2² = 1141239921673 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1141239921673) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 570619960838 + 570619960839.

It is an arithmetic number, because the mean of its divisors is an integer number (570619960839).

Almost surely, 2^{1141239921677} is an apocalyptic number.

It is an amenable number.

1141239921677 is a deficient number, since it is larger than the sum of its proper divisors (1).

1141239921677 is an equidigital number, since it uses as much as digits as its factorization.

1141239921677 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1143072, while the sum is 53.

The spelling of 1141239921677 in words is "one trillion, one hundred forty-one billion, two hundred thirty-nine million, nine hundred twenty-one thousand, six hundred seventy-seven".