105278237648 has 40 divisors (see below), whose sum is σ = 204572850696. Its totient is φ = 52485478400.

The previous prime is 105278237633. The next prime is 105278237651. The reversal of 105278237648 is 846732872501.

It can be written as a sum of positive squares in 4 ways, for example, as 6073396624 + 99204841024 = 77932^2 + 314968^2 .

It is a super-2 number, since 2×105278237648² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 105278237648.

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, 7944308 + ... + 7957548.

Almost surely, 2^105278237648 is an apocalyptic number.

It is an amenable number.

105278237648 is a deficient number, since it is larger than the sum of its proper divisors (99294613048).

105278237648 is a wasteful number, since it uses less digits than its factorization.

105278237648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14663 (or 14657 counting only the distinct ones).

The product of its (nonzero) digits is 4515840, while the sum is 53.

The spelling of 105278237648 in words is "one hundred five billion, two hundred seventy-eight million, two hundred thirty-seven thousand, six hundred forty-eight".