105155523444 has 48 divisors (see below), whose sum is σ = 245856665600. Its totient is φ = 34981380576.

The previous prime is 105155523443. The next prime is 105155523511. The reversal of 105155523444 is 444325551501.

It is a super-2 number, since 2×105155523444² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105155523443) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13548837 + ... + 13556595.

Almost surely, 2^105155523444 is an apocalyptic number.

It is an amenable number.

105155523444 is an abundant number, since it is smaller than the sum of its proper divisors (140701142156).

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

105155523444 is a wasteful number, since it uses less digits than its factorization.

105155523444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9892 (or 9890 counting only the distinct ones).

The product of its (nonzero) digits is 240000, while the sum is 39.

The spelling of 105155523444 in words is "one hundred five billion, one hundred fifty-five million, five hundred twenty-three thousand, four hundred forty-four".