2111670505013 has 4 divisors (see below), whose sum is σ = 2123337193068. Its totient is φ = 2100003816960.

The previous prime is 2111670504971. The next prime is 2111670505069. The reversal of 2111670505013 is 3105050761112.

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

It can be written as a sum of positive squares in 2 ways, for example, as 27510534769 + 2084159970244 = 165863^2 + 1443662^2 .

It is a cyclic number.

It is not a de Polignac number, because 2111670505013 - 2⁶ = 2111670504949 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2111670507013) 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, 5833343756 + ... + 5833344117.

It is an arithmetic number, because the mean of its divisors is an integer number (530834298267).

Almost surely, 2^{2111670505013} is an apocalyptic number.

It is an amenable number.

2111670505013 is a deficient number, since it is larger than the sum of its proper divisors (11666688055).

2111670505013 is a wasteful number, since it uses less digits than its factorization.

2111670505013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11666688054.

The product of its (nonzero) digits is 6300, while the sum is 32.

The spelling of 2111670505013 in words is "two trillion, one hundred eleven billion, six hundred seventy million, five hundred five thousand, thirteen".