105317943738 has 16 divisors (see below), whose sum is σ = 240726728640. Its totient is φ = 30090841056.

The previous prime is 105317943727. The next prime is 105317943767. The reversal of 105317943738 is 837349713501.

It is a happy number.

It is a super-2 number, since 2×105317943738² (a number of 23 digits) contains 22 as substring.

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, 1253785003 + ... + 1253785086.

It is an arithmetic number, because the mean of its divisors is an integer number (15045420540).

Almost surely, 2^105317943738 is an apocalyptic number.

105317943738 is an abundant number, since it is smaller than the sum of its proper divisors (135408784902).

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

105317943738 is a wasteful number, since it uses less digits than its factorization.

105317943738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2507570101.

The product of its (nonzero) digits is 1905120, while the sum is 51.

The spelling of 105317943738 in words is "one hundred five billion, three hundred seventeen million, nine hundred forty-three thousand, seven hundred thirty-eight".