108998101380865 has 16 divisors (see below), whose sum is σ = 130845328104960. Its totient is φ = 87166746938880.

The previous prime is 108998101380859. The next prime is 108998101380901. The reversal of 108998101380865 is 568083101899801.

It is not a de Polignac number, because 108998101380865 - 2¹³ = 108998101372673 is a prime.

It is a super-2 number, since 2×108998101380865² (a number of 29 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 108998101380865.

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 15 ways as a sum of consecutive naturals, for example, 262920145 + ... + 263334385.

It is an arithmetic number, because the mean of its divisors is an integer number (8177833006560).

Almost surely, 2^{108998101380865} is an apocalyptic number.

It is an amenable number.

108998101380865 is a deficient number, since it is larger than the sum of its proper divisors (21847226724095).

108998101380865 is a wasteful number, since it uses less digits than its factorization.

108998101380865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 433272.

The product of its (nonzero) digits is 29859840, while the sum is 67.

The spelling of 108998101380865 in words is "one hundred eight trillion, nine hundred ninety-eight billion, one hundred one million, three hundred eighty thousand, eight hundred sixty-five".