55111263124597 has 2 divisors, whose sum is σ = 55111263124598. Its totient is φ = 55111263124596.

The previous prime is 55111263124553. The next prime is 55111263124601. The reversal of 55111263124597 is 79542136211155.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 49709352836196 + 5401910288401 = 7050486^2 + 2324201^2 .

It is a cyclic number.

It is not a de Polignac number, because 55111263124597 - 2¹⁹ = 55111262600309 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55111263124397) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27555631562298 + 27555631562299.

It is an arithmetic number, because the mean of its divisors is an integer number (27555631562299).

Almost surely, 2^{55111263124597} is an apocalyptic number.

It is an amenable number.

55111263124597 is a deficient number, since it is larger than the sum of its proper divisors (1).

55111263124597 is an equidigital number, since it uses as much as digits as its factorization.

55111263124597 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2268000, while the sum is 52.

The spelling of 55111263124597 in words is "fifty-five trillion, one hundred eleven billion, two hundred sixty-three million, one hundred twenty-four thousand, five hundred ninety-seven".