2116612362253 has 4 divisors (see below), whose sum is σ = 2116615969468. Its totient is φ = 2116608755040.

The previous prime is 2116612362223. The next prime is 2116612362269. The reversal of 2116612362253 is 3522632166112.

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 1897666043364 + 218946318889 = 1377558^2 + 467917^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2116612362253 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2116612362223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 697218 + ... + 2172403.

It is an arithmetic number, because the mean of its divisors is an integer number (529153992367).

Almost surely, 2^{2116612362253} is an apocalyptic number.

It is an amenable number.

2116612362253 is a deficient number, since it is larger than the sum of its proper divisors (3607215).

2116612362253 is an equidigital number, since it uses as much as digits as its factorization.

2116612362253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3607214.

The product of its digits is 155520, while the sum is 40.

The spelling of 2116612362253 in words is "two trillion, one hundred sixteen billion, six hundred twelve million, three hundred sixty-two thousand, two hundred fifty-three".