2113623151205 has 4 divisors (see below), whose sum is σ = 2536347781452. Its totient is φ = 1690898520960.

The previous prime is 2113623151187. The next prime is 2113623151253. The reversal of 2113623151205 is 5021513263112.

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 1345688161444 + 767934989761 = 1160038^2 + 876319^2 .

It is not a de Polignac number, because 2113623151205 - 2¹² = 2113623147109 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 211362315116 + ... + 211362315125.

It is an arithmetic number, because the mean of its divisors is an integer number (634086945363).

Almost surely, 2^{2113623151205} is an apocalyptic number.

It is an amenable number.

2113623151205 is a deficient number, since it is larger than the sum of its proper divisors (422724630247).

2113623151205 is an equidigital number, since it uses as much as digits as its factorization.

2113623151205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 422724630246.

The product of its (nonzero) digits is 10800, while the sum is 32.

The spelling of 2113623151205 in words is "two trillion, one hundred thirteen billion, six hundred twenty-three million, one hundred fifty-one thousand, two hundred five".