1055047472789 has 2 divisors, whose sum is σ = 1055047472790. Its totient is φ = 1055047472788.

The previous prime is 1055047472737. The next prime is 1055047472803. The reversal of 1055047472789 is 9872747405501.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 844588570225 + 210458902564 = 919015^2 + 458758^2 .

It is a cyclic number.

It is not a de Polignac number, because 1055047472789 - 2²⁰ = 1055046424213 is a prime.

It is a super-2 number, since 2×1055047472789² (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 (1055047472389) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 527523736394 + 527523736395.

It is an arithmetic number, because the mean of its divisors is an integer number (527523736395).

Almost surely, 2^{1055047472789} is an apocalyptic number.

It is an amenable number.

1055047472789 is a deficient number, since it is larger than the sum of its proper divisors (1).

1055047472789 is an equidigital number, since it uses as much as digits as its factorization.

1055047472789 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 19756800, while the sum is 59.

The spelling of 1055047472789 in words is "one trillion, fifty-five billion, forty-seven million, four hundred seventy-two thousand, seven hundred eighty-nine".