1111313320129 has 2 divisors, whose sum is σ = 1111313320130. Its totient is φ = 1111313320128.

The previous prime is 1111313320121. The next prime is 1111313320157. The reversal of 1111313320129 is 9210233131111.

It is an a-pointer prime, because the next prime (1111313320157) can be obtained adding 1111313320129 to its sum of digits (28).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 796342064400 + 314971255729 = 892380^2 + 561223^2 .

It is a cyclic number.

It is not a de Polignac number, because 1111313320129 - 2³ = 1111313320121 is a prime.

It is a super-2 number, since 2×1111313320129² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1111313320097 and 1111313320106.

It is not a weakly prime, because it can be changed into another prime (1111313320121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 555656660064 + 555656660065.

It is an arithmetic number, because the mean of its divisors is an integer number (555656660065).

Almost surely, 2^{1111313320129} is an apocalyptic number.

It is an amenable number.

1111313320129 is a deficient number, since it is larger than the sum of its proper divisors (1).

1111313320129 is an equidigital number, since it uses as much as digits as its factorization.

1111313320129 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 972, while the sum is 28.

The spelling of 1111313320129 in words is "one trillion, one hundred eleven billion, three hundred thirteen million, three hundred twenty thousand, one hundred twenty-nine".