1055577516551 has 2 divisors, whose sum is σ = 1055577516552. Its totient is φ = 1055577516550.

The previous prime is 1055577516533. The next prime is 1055577516557. The reversal of 1055577516551 is 1556157755501.

1055577516551 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1055577516551 - 2²² = 1055573322247 is a prime.

It is a super-2 number, since 2×1055577516551² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1055577516493 and 1055577516502.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1055577516557) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 527788758275 + 527788758276.

It is an arithmetic number, because the mean of its divisors is an integer number (527788758276).

Almost surely, 2^{1055577516551} is an apocalyptic number.

1055577516551 is a deficient number, since it is larger than the sum of its proper divisors (1).

1055577516551 is an equidigital number, since it uses as much as digits as its factorization.

1055577516551 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4593750, while the sum is 53.

The spelling of 1055577516551 in words is "one trillion, fifty-five billion, five hundred seventy-seven million, five hundred sixteen thousand, five hundred fifty-one".