611250025349 has 16 divisors (see below), whose sum is σ = 638740617840. Its totient is φ = 584189760000.

The previous prime is 611250025283. The next prime is 611250025423. The reversal of 611250025349 is 943520052116.

It can be written as a sum of positive squares in 8 ways, for example, as 78652202500 + 532597822849 = 280450^2 + 729793^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-611250025349 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (611250025049) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 13512329 + ... + 13557489.

It is an arithmetic number, because the mean of its divisors is an integer number (39921288615).

Almost surely, 2^611250025349 is an apocalyptic number.

It is an amenable number.

611250025349 is a deficient number, since it is larger than the sum of its proper divisors (27490592491).

611250025349 is a wasteful number, since it uses less digits than its factorization.

611250025349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49912.

The product of its (nonzero) digits is 64800, while the sum is 38.

The spelling of 611250025349 in words is "six hundred eleven billion, two hundred fifty million, twenty-five thousand, three hundred forty-nine".