109985361598 has 32 divisors (see below), whose sum is σ = 198607680000. Its totient is φ = 44624693664.

The previous prime is 109985361583. The next prime is 109985361599. The reversal of 109985361598 is 895163589901.

It is a super-2 number, since 2×109985361598² (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 (109985361599) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 242028 + ... + 527776.

It is an arithmetic number, because the mean of its divisors is an integer number (6206490000).

Almost surely, 2^109985361598 is an apocalyptic number.

109985361598 is a deficient number, since it is larger than the sum of its proper divisors (88622318402).

109985361598 is a wasteful number, since it uses less digits than its factorization.

109985361598 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 287224.

The product of its (nonzero) digits is 20995200, while the sum is 64.

The spelling of 109985361598 in words is "one hundred nine billion, nine hundred eighty-five million, three hundred sixty-one thousand, five hundred ninety-eight".