105078738724 has 12 divisors (see below), whose sum is σ = 184650814348. Its totient is φ = 52321363200.

The previous prime is 105078738719. The next prime is 105078738749. The reversal of 105078738724 is 427837870501.

It can be written as a sum of positive squares in 2 ways, for example, as 53768334400 + 51310404324 = 231880^2 + 226518^2 .

It is a super-2 number, since 2×105078738724² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54500457 + ... + 54502384.

Almost surely, 2^105078738724 is an apocalyptic number.

It is an amenable number.

105078738724 is a deficient number, since it is larger than the sum of its proper divisors (79572075624).

105078738724 is a wasteful number, since it uses less digits than its factorization.

105078738724 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109003086 (or 109003084 counting only the distinct ones).

The product of its (nonzero) digits is 2634240, while the sum is 52.

The spelling of 105078738724 in words is "one hundred five billion, seventy-eight million, seven hundred thirty-eight thousand, seven hundred twenty-four".