1055768518477 has 4 divisors (see below), whose sum is σ = 1055771007196. Its totient is φ = 1055766029760.

The previous prime is 1055768518463. The next prime is 1055768518501. The reversal of 1055768518477 is 7748158675501.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 611014242276 + 444754276201 = 781674^2 + 666899^2 .

It is a cyclic number.

It is not a de Polignac number, because 1055768518477 - 2¹⁹ = 1055767994189 is a prime.

It is a super-2 number, since 2×1055768518477² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1055768518417) 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 in 3 ways as a sum of consecutive naturals, for example, 430668 + ... + 1515589.

It is an arithmetic number, because the mean of its divisors is an integer number (263942751799).

Almost surely, 2^{1055768518477} is an apocalyptic number.

It is an amenable number.

1055768518477 is a deficient number, since it is larger than the sum of its proper divisors (2488719).

1055768518477 is an equidigital number, since it uses as much as digits as its factorization.

1055768518477 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2488718.

The product of its (nonzero) digits is 65856000, while the sum is 64.

The spelling of 1055768518477 in words is "one trillion, fifty-five billion, seven hundred sixty-eight million, five hundred eighteen thousand, four hundred seventy-seven".