2011011206507 has 4 divisors (see below), whose sum is σ = 2015140593456. Its totient is φ = 2006881819560.

The previous prime is 2011011206459. The next prime is 2011011206537. The reversal of 2011011206507 is 7056021101102.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2011011206507 - 2¹² = 2011011202411 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2011011206537) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2064692744 + ... + 2064693717.

It is an arithmetic number, because the mean of its divisors is an integer number (503785148364).

Almost surely, 2^{2011011206507} is an apocalyptic number.

2011011206507 is a deficient number, since it is larger than the sum of its proper divisors (4129386949).

2011011206507 is an equidigital number, since it uses as much as digits as its factorization.

2011011206507 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4129386948.

The product of its (nonzero) digits is 840, while the sum is 26.

Adding to 2011011206507 its reverse (7056021101102), we get a palindrome (9067032307609).

The spelling of 2011011206507 in words is "two trillion, eleven billion, eleven million, two hundred six thousand, five hundred seven".