2106136252603 has 4 divisors (see below), whose sum is σ = 2106211427320. Its totient is φ = 2106061077888.

The previous prime is 2106136252589. The next prime is 2106136252663. The reversal of 2106136252603 is 3062526316012.

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 2106136252603 - 2³⁷ = 1968697299131 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2106136252663) 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, 37545318 + ... + 37601371.

It is an arithmetic number, because the mean of its divisors is an integer number (526552856830).

Almost surely, 2^{2106136252603} is an apocalyptic number.

2106136252603 is a deficient number, since it is larger than the sum of its proper divisors (75174717).

2106136252603 is an equidigital number, since it uses as much as digits as its factorization.

2106136252603 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75174716.

The product of its (nonzero) digits is 77760, while the sum is 37.

The spelling of 2106136252603 in words is "two trillion, one hundred six billion, one hundred thirty-six million, two hundred fifty-two thousand, six hundred three".