105531380381126 has 16 divisors (see below), whose sum is σ = 190432566101760. Its totient is φ = 42847327372680.

The previous prime is 105531380381117. The next prime is 105531380381153. The reversal of 105531380381126 is 621183083135501.

105531380381126 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×105531380381126² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 198367256090 + ... + 198367256621.

It is an arithmetic number, because the mean of its divisors is an integer number (11902035381360).

Almost surely, 2^{105531380381126} is an apocalyptic number.

105531380381126 is a deficient number, since it is larger than the sum of its proper divisors (84901185720634).

105531380381126 is a wasteful number, since it uses less digits than its factorization.

105531380381126 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 396734512739.

The product of its (nonzero) digits is 518400, while the sum is 47.

The spelling of 105531380381126 in words is "one hundred five trillion, five hundred thirty-one billion, three hundred eighty million, three hundred eighty-one thousand, one hundred twenty-six".