105426213553 has 2 divisors, whose sum is σ = 105426213554. Its totient is φ = 105426213552.

The previous prime is 105426213521. The next prime is 105426213623. The reversal of 105426213553 is 355312624501.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 92435457024 + 12990756529 = 304032^2 + 113977^2 .

It is a cyclic number.

It is not a de Polignac number, because 105426213553 - 2⁵ = 105426213521 is a prime.

It is a super-2 number, since 2×105426213553² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (105426213953) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52713106776 + 52713106777.

It is an arithmetic number, because the mean of its divisors is an integer number (52713106777).

Almost surely, 2^105426213553 is an apocalyptic number.

It is an amenable number.

105426213553 is a deficient number, since it is larger than the sum of its proper divisors (1).

105426213553 is an equidigital number, since it uses as much as digits as its factorization.

105426213553 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108000, while the sum is 37.

The spelling of 105426213553 in words is "one hundred five billion, four hundred twenty-six million, two hundred thirteen thousand, five hundred fifty-three".