611116202642653 has 2 divisors, whose sum is σ = 611116202642654. Its totient is φ = 611116202642652.

The previous prime is 611116202642639. The next prime is 611116202642821. The reversal of 611116202642653 is 356246202611116.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 591138404702244 + 19977797940409 = 24313338^2 + 4469653^2 .

It is a cyclic number.

It is not a de Polignac number, because 611116202642653 - 2⁴⁹ = 48166249221341 is a prime.

It is a super-2 number, since 2×611116202642653² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (611116202672653) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 305558101321326 + 305558101321327.

It is an arithmetic number, because the mean of its divisors is an integer number (305558101321327).

Almost surely, 2^{611116202642653} is an apocalyptic number.

It is an amenable number.

611116202642653 is a deficient number, since it is larger than the sum of its proper divisors (1).

611116202642653 is an equidigital number, since it uses as much as digits as its factorization.

611116202642653 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 622080, while the sum is 46.

The spelling of 611116202642653 in words is "six hundred eleven trillion, one hundred sixteen billion, two hundred two million, six hundred forty-two thousand, six hundred fifty-three".