689011100001 has 12 divisors (see below), whose sum is σ = 1137415149312. Its totient is φ = 393720628536.

The previous prime is 689011099993. The next prime is 689011100003. The reversal of 689011100001 is 100001110986.

It is not a de Polignac number, because 689011100001 - 2³ = 689011099993 is a prime.

It is not an unprimeable number, because it can be changed into a prime (689011100003) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5468342001 + ... + 5468342126.

It is an arithmetic number, because the mean of its divisors is an integer number (94784595776).

Almost surely, 2^689011100001 is an apocalyptic number.

It is an amenable number.

689011100001 is a deficient number, since it is larger than the sum of its proper divisors (448404049311).

689011100001 is a wasteful number, since it uses less digits than its factorization.

689011100001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10936684140 (or 10936684137 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 27.

Adding to 689011100001 its reverse (100001110986), we get a palindrome (789012210987).

The spelling of 689011100001 in words is "six hundred eighty-nine billion, eleven million, one hundred thousand, one".