6550011011001 has 16 divisors (see below), whose sum is σ = 9247415635584. Its totient is φ = 4109659156224.

The previous prime is 6550011010927. The next prime is 6550011011003. The reversal of 6550011011001 is 1001101100556.

It is a happy number.

It is not a de Polignac number, because 6550011011001 - 2²² = 6550006816697 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6550011011003) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 966381 + ... + 3746186.

It is an arithmetic number, because the mean of its divisors is an integer number (577963477224).

Almost surely, 2^{6550011011001} is an apocalyptic number.

It is an amenable number.

6550011011001 is a deficient number, since it is larger than the sum of its proper divisors (2697404624583).

6550011011001 is a wasteful number, since it uses less digits than its factorization.

6550011011001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4739840.

The product of its (nonzero) digits is 150, while the sum is 21.

Adding to 6550011011001 its reverse (1001101100556), we get a palindrome (7551112111557).

The spelling of 6550011011001 in words is "six trillion, five hundred fifty billion, eleven million, eleven thousand, one".