2725700021117 has 2 divisors, whose sum is σ = 2725700021118. Its totient is φ = 2725700021116.

The previous prime is 2725700021101. The next prime is 2725700021119. The reversal of 2725700021117 is 7111200075272.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2021327566756 + 704372454361 = 1421734^2 + 839269^2 .

It is a cyclic number.

It is not a de Polignac number, because 2725700021117 - 2⁴ = 2725700021101 is a prime.

Together with 2725700021119, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2725700021119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1362850010558 + 1362850010559.

It is an arithmetic number, because the mean of its divisors is an integer number (1362850010559).

Almost surely, 2^{2725700021117} is an apocalyptic number.

It is an amenable number.

2725700021117 is a deficient number, since it is larger than the sum of its proper divisors (1).

2725700021117 is an equidigital number, since it uses as much as digits as its factorization.

2725700021117 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13720, while the sum is 35.

Adding to 2725700021117 its reverse (7111200075272), we get a palindrome (9836900096389).

The spelling of 2725700021117 in words is "two trillion, seven hundred twenty-five billion, seven hundred million, twenty-one thousand, one hundred seventeen".