109681441401 has 32 divisors (see below), whose sum is σ = 173141395200. Its totient is φ = 60428309760.

The previous prime is 109681441393. The next prime is 109681441421. The reversal of 109681441401 is 104144186901.

It is not a de Polignac number, because 109681441401 - 2³ = 109681441393 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 109681441401.

It is not an unprimeable number, because it can be changed into a prime (109681441421) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 304771 + ... + 558791.

It is an arithmetic number, because the mean of its divisors is an integer number (5410668600).

Almost surely, 2^109681441401 is an apocalyptic number.

It is an amenable number.

109681441401 is a deficient number, since it is larger than the sum of its proper divisors (63459953799).

109681441401 is a wasteful number, since it uses less digits than its factorization.

109681441401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 254769.

The product of its (nonzero) digits is 27648, while the sum is 39.

The spelling of 109681441401 in words is "one hundred nine billion, six hundred eighty-one million, four hundred forty-one thousand, four hundred one".