1055145003989 has 2 divisors, whose sum is σ = 1055145003990. Its totient is φ = 1055145003988.

The previous prime is 1055145003973. The next prime is 1055145004013. The reversal of 1055145003989 is 9893005415501.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 792829968100 + 262315035889 = 890410^2 + 512167^2 .

It is a cyclic number.

It is not a de Polignac number, because 1055145003989 - 2⁴ = 1055145003973 is a prime.

It is a super-2 number, since 2×1055145003989² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1055145003929) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 527572501994 + 527572501995.

It is an arithmetic number, because the mean of its divisors is an integer number (527572501995).

Almost surely, 2^{1055145003989} is an apocalyptic number.

It is an amenable number.

1055145003989 is a deficient number, since it is larger than the sum of its proper divisors (1).

1055145003989 is an equidigital number, since it uses as much as digits as its factorization.

1055145003989 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 972000, while the sum is 50.

The spelling of 1055145003989 in words is "one trillion, fifty-five billion, one hundred forty-five million, three thousand, nine hundred eighty-nine".