109688044411 has 32 divisors (see below), whose sum is σ = 130821868800. Its totient is φ = 90846000000.

The previous prime is 109688044391. The next prime is 109688044451. The reversal of 109688044411 is 114440886901.

It is a 7-Lehmer number, since φ(109688044411) divides (109688044411-1)⁷.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-109688044411 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (109688044451) 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 31 ways as a sum of consecutive naturals, for example, 1485261 + ... + 1557361.

It is an arithmetic number, because the mean of its divisors is an integer number (4088183400).

Almost surely, 2^109688044411 is an apocalyptic number.

109688044411 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

109688044411 is the 148114-th centered decagonal number.

109688044411 is a deficient number, since it is larger than the sum of its proper divisors (21133824389).

109688044411 is a wasteful number, since it uses less digits than its factorization.

109688044411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72411.

The product of its (nonzero) digits is 221184, while the sum is 46.

The spelling of 109688044411 in words is "one hundred nine billion, six hundred eighty-eight million, forty-four thousand, four hundred eleven".