1145441241121 has 2 divisors, whose sum is σ = 1145441241122. Its totient is φ = 1145441241120.

The previous prime is 1145441241101. The next prime is 1145441241173. The reversal of 1145441241121 is 1211421445411.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1004677456896 + 140763784225 = 1002336^2 + 375185^2 .

It is a cyclic number.

It is not a de Polignac number, because 1145441241121 - 2¹¹ = 1145441239073 is a prime.

It is a super-2 number, since 2×1145441241121² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1145441241101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 572720620560 + 572720620561.

It is an arithmetic number, because the mean of its divisors is an integer number (572720620561).

Almost surely, 2^{1145441241121} is an apocalyptic number.

It is an amenable number.

1145441241121 is a deficient number, since it is larger than the sum of its proper divisors (1).

1145441241121 is an equidigital number, since it uses as much as digits as its factorization.

1145441241121 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5120, while the sum is 31.

Adding to 1145441241121 its reverse (1211421445411), we get a palindrome (2356862686532).

The spelling of 1145441241121 in words is "one trillion, one hundred forty-five billion, four hundred forty-one million, two hundred forty-one thousand, one hundred twenty-one".