1139121561607 has 2 divisors, whose sum is σ = 1139121561608. Its totient is φ = 1139121561606.

The previous prime is 1139121561583. The next prime is 1139121561623. The reversal of 1139121561607 is 7061651219311.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1139121561607 - 2¹¹ = 1139121559559 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1139121561107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 569560780803 + 569560780804.

It is an arithmetic number, because the mean of its divisors is an integer number (569560780804).

Almost surely, 2^{1139121561607} is an apocalyptic number.

1139121561607 is a deficient number, since it is larger than the sum of its proper divisors (1).

1139121561607 is an equidigital number, since it uses as much as digits as its factorization.

1139121561607 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 68040, while the sum is 43.

The spelling of 1139121561607 in words is "one trillion, one hundred thirty-nine billion, one hundred twenty-one million, five hundred sixty-one thousand, six hundred seven".