611606065153 has 4 divisors (see below), whose sum is σ = 611637518340. Its totient is φ = 611574611968.

The previous prime is 611606065139. The next prime is 611606065177. The reversal of 611606065153 is 351560606116.

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 496218807184 + 115387257969 = 704428^2 + 339687^2 .

It is a cyclic number.

It is not a de Polignac number, because 611606065153 - 2¹⁷ = 611605934081 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (611606065183) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15697408 + ... + 15736321.

It is an arithmetic number, because the mean of its divisors is an integer number (152909379585).

Almost surely, 2^611606065153 is an apocalyptic number.

It is an amenable number.

611606065153 is a deficient number, since it is larger than the sum of its proper divisors (31453187).

611606065153 is a wasteful number, since it uses less digits than its factorization.

611606065153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31453186.

The product of its (nonzero) digits is 97200, while the sum is 40.

The spelling of 611606065153 in words is "six hundred eleven billion, six hundred six million, sixty-five thousand, one hundred fifty-three".