611005251604 has 12 divisors (see below), whose sum is σ = 1166464571328. Its totient is φ = 277729659800.

The previous prime is 611005251601. The next prime is 611005251607. The reversal of 611005251604 is 406152500116.

It is an interprime number because it is at equal distance from previous prime (611005251601) and next prime (611005251607).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (611005251601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6943241452 + ... + 6943241539.

It is an arithmetic number, because the mean of its divisors is an integer number (97205380944).

Almost surely, 2^611005251604 is an apocalyptic number.

It is an amenable number.

611005251604 is a deficient number, since it is larger than the sum of its proper divisors (555459319724).

611005251604 is a wasteful number, since it uses less digits than its factorization.

611005251604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13886483006 (or 13886483004 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 31.

The spelling of 611005251604 in words is "six hundred eleven billion, five million, two hundred fifty-one thousand, six hundred four".