1000000055177 has 2 divisors, whose sum is σ = 1000000055178. Its totient is φ = 1000000055176.

The previous prime is 1000000055161. The next prime is 1000000055273. The reversal of 1000000055177 is 7715500000001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 645289283401 + 354710771776 = 803299^2 + 595576^2 .

It is an emirp because it is prime and its reverse (7715500000001) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1000000055177 - 2⁴ = 1000000055161 is a prime.

It is a super-2 number, since 2×1000000055177² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1000000015177) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 500000027588 + 500000027589.

It is an arithmetic number, because the mean of its divisors is an integer number (500000027589).

Almost surely, 2^{1000000055177} is an apocalyptic number.

It is an amenable number.

1000000055177 is a deficient number, since it is larger than the sum of its proper divisors (1).

1000000055177 is an equidigital number, since it uses as much as digits as its factorization.

1000000055177 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1225, while the sum is 26.

Adding to 1000000055177 its reverse (7715500000001), we get a palindrome (8715500055178).

The spelling of 1000000055177 in words is "one trillion, fifty-five thousand, one hundred seventy-seven".