655650501511 has 2 divisors, whose sum is σ = 655650501512. Its totient is φ = 655650501510.

The previous prime is 655650501491. The next prime is 655650501647. The reversal of 655650501511 is 115105056556.

655650501511 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 655650501511 - 2⁵ = 655650501479 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (655650501211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 327825250755 + 327825250756.

It is an arithmetic number, because the mean of its divisors is an integer number (327825250756).

Almost surely, 2^655650501511 is an apocalyptic number.

655650501511 is a deficient number, since it is larger than the sum of its proper divisors (1).

655650501511 is an equidigital number, since it uses as much as digits as its factorization.

655650501511 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 112500, while the sum is 40.

The spelling of 655650501511 in words is "six hundred fifty-five billion, six hundred fifty million, five hundred one thousand, five hundred eleven".