105553423012061 has 2 divisors, whose sum is σ = 105553423012062. Its totient is φ = 105553423012060.

The previous prime is 105553423012031. The next prime is 105553423012069. The reversal of 105553423012061 is 160210324355501.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 95237885820100 + 10315537191961 = 9758990^2 + 3211781^2 .

It is a cyclic number.

It is not a de Polignac number, because 105553423012061 - 2²² = 105553418817757 is a prime.

It is a super-2 number, since 2×105553423012061² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (105553423012069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52776711506030 + 52776711506031.

It is an arithmetic number, because the mean of its divisors is an integer number (52776711506031).

Almost surely, 2^{105553423012061} is an apocalyptic number.

It is an amenable number.

105553423012061 is a deficient number, since it is larger than the sum of its proper divisors (1).

105553423012061 is an equidigital number, since it uses as much as digits as its factorization.

105553423012061 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 38.

Adding to 105553423012061 its reverse (160210324355501), we get a palindrome (265763747367562).

The spelling of 105553423012061 in words is "one hundred five trillion, five hundred fifty-three billion, four hundred twenty-three million, twelve thousand, sixty-one".