611256520343 has 8 divisors (see below), whose sum is σ = 708148454688. Its totient is φ = 516756979584.

The previous prime is 611256520331. The next prime is 611256520423. The reversal of 611256520343 is 343025652116.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 611256520343 - 2⁶ = 611256520279 is a prime.

It is a super-3 number, since 3×611256520343³ (a number of 36 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 611256520297 and 611256520306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (611256525343) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 598097846 + ... + 598098867.

It is an arithmetic number, because the mean of its divisors is an integer number (88518556836).

Almost surely, 2^611256520343 is an apocalyptic number.

611256520343 is a deficient number, since it is larger than the sum of its proper divisors (96891934345).

611256520343 is a wasteful number, since it uses less digits than its factorization.

611256520343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1196196793.

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

The spelling of 611256520343 in words is "six hundred eleven billion, two hundred fifty-six million, five hundred twenty thousand, three hundred forty-three".