611243313455 has 32 divisors (see below), whose sum is σ = 739278532608. Its totient is φ = 485157859200.

The previous prime is 611243313431. The next prime is 611243313479. The reversal of 611243313455 is 554313342116.

It is an interprime number because it is at equal distance from previous prime (611243313431) and next prime (611243313479).

It is not a de Polignac number, because 611243313455 - 2⁸ = 611243313199 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 415528370 + ... + 415529840.

It is an arithmetic number, because the mean of its divisors is an integer number (23102454144).

Almost surely, 2^611243313455 is an apocalyptic number.

611243313455 is a deficient number, since it is larger than the sum of its proper divisors (128035219153).

611243313455 is a wasteful number, since it uses less digits than its factorization.

611243313455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2847.

The product of its digits is 129600, while the sum is 38.

The spelling of 611243313455 in words is "six hundred eleven billion, two hundred forty-three million, three hundred thirteen thousand, four hundred fifty-five".