611243313425 has 24 divisors (see below), whose sum is σ = 808384449816. Its totient is φ = 456870871040.

The previous prime is 611243313419. The next prime is 611243313431. The reversal of 611243313425 is 524313342116.

It is an interprime number because it is at equal distance from previous prime (611243313419) and next prime (611243313431).

It can be written as a sum of positive squares in 12 ways, for example, as 1708664896 + 609534648529 = 41336^2 + 780727^2 .

It is not a de Polignac number, because 611243313425 - 2⁸ = 611243313169 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5190752 + ... + 5307201.

It is an arithmetic number, because the mean of its divisors is an integer number (33682685409).

Almost surely, 2^611243313425 is an apocalyptic number.

It is an amenable number.

611243313425 is a deficient number, since it is larger than the sum of its proper divisors (197141136391).

611243313425 is a wasteful number, since it uses less digits than its factorization.

611243313425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10498117 (or 10498112 counting only the distinct ones).

The product of its digits is 51840, while the sum is 35.

The spelling of 611243313425 in words is "six hundred eleven billion, two hundred forty-three million, three hundred thirteen thousand, four hundred twenty-five".