105553423012156 has 36 divisors (see below), whose sum is σ = 227516411793888. Its totient is φ = 42576170625408.

The previous prime is 105553423012153. The next prime is 105553423012157. The reversal of 105553423012156 is 651210324355501.

It is a super-2 number, since 2×105553423012156² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105553423012153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15839345860 + ... + 15839352523.

It is an arithmetic number, because the mean of its divisors is an integer number (6319900327608).

Almost surely, 2^{105553423012156} is an apocalyptic number.

It is an amenable number.

105553423012156 is an abundant number, since it is smaller than the sum of its proper divisors (121962988781732).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

105553423012156 is a wasteful number, since it uses less digits than its factorization.

105553423012156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31678698418 (or 31678698409 counting only the distinct ones).

The product of its (nonzero) digits is 540000, while the sum is 43.

Adding to 105553423012156 its reverse (651210324355501), we get a palindrome (756763747367657).

The spelling of 105553423012156 in words is "one hundred five trillion, five hundred fifty-three billion, four hundred twenty-three million, twelve thousand, one hundred fifty-six".