1145120555279 has 2 divisors, whose sum is σ = 1145120555280. Its totient is φ = 1145120555278.

The previous prime is 1145120555197. The next prime is 1145120555303. The reversal of 1145120555279 is 9725550215411.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1145120555279 - 2⁴⁰ = 45608927503 is a prime.

It is a super-4 number, since 4×1145120555279⁴ (a number of 49 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1145120555779) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 572560277639 + 572560277640.

It is an arithmetic number, because the mean of its divisors is an integer number (572560277640).

Almost surely, 2^{1145120555279} is an apocalyptic number.

1145120555279 is a deficient number, since it is larger than the sum of its proper divisors (1).

1145120555279 is an equidigital number, since it uses as much as digits as its factorization.

1145120555279 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 630000, while the sum is 47.

The spelling of 1145120555279 in words is "one trillion, one hundred forty-five billion, one hundred twenty million, five hundred fifty-five thousand, two hundred seventy-nine".