100698151985 has 8 divisors (see below), whose sum is σ = 127945887336. Its totient is φ = 75819784960.

The previous prime is 100698151979. The next prime is 100698152011. The reversal of 100698151985 is 589151896001.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 5866181281 + 94831970704 = 76591^2 + 307948^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 100698151985 - 2¹⁰ = 100698150961 is a prime.

It is a Duffinian number.

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 7 ways as a sum of consecutive naturals, for example, 592341986 + ... + 592342155.

It is an arithmetic number, because the mean of its divisors is an integer number (15993235917).

Almost surely, 2^100698151985 is an apocalyptic number.

It is an amenable number.

100698151985 is a deficient number, since it is larger than the sum of its proper divisors (27247735351).

100698151985 is a wasteful number, since it uses less digits than its factorization.

100698151985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1184684163.

The product of its (nonzero) digits is 777600, while the sum is 53.

The spelling of 100698151985 in words is "one hundred billion, six hundred ninety-eight million, one hundred fifty-one thousand, nine hundred eighty-five".