2136750211655 has 4 divisors (see below), whose sum is σ = 2564100253992. Its totient is φ = 1709400169320.

The previous prime is 2136750211643. The next prime is 2136750211669. The reversal of 2136750211655 is 5561120576312.

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

It is not a de Polignac number, because 2136750211655 - 2¹⁰ = 2136750210631 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, 213675021161 + ... + 213675021170.

It is an arithmetic number, because the mean of its divisors is an integer number (641025063498).

Almost surely, 2^{2136750211655} is an apocalyptic number.

2136750211655 is a deficient number, since it is larger than the sum of its proper divisors (427350042337).

2136750211655 is an equidigital number, since it uses as much as digits as its factorization.

2136750211655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 427350042336.

The product of its (nonzero) digits is 378000, while the sum is 44.

Adding to 2136750211655 its reverse (5561120576312), we get a palindrome (7697870787967).

The spelling of 2136750211655 in words is "two trillion, one hundred thirty-six billion, seven hundred fifty million, two hundred eleven thousand, six hundred fifty-five".