611321530385 has 8 divisors (see below), whose sum is σ = 734250925440. Its totient is φ = 488613831664.

The previous prime is 611321530381. The next prime is 611321530409. The reversal of 611321530385 is 583035123116.

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 611321530385 - 2² = 611321530381 is a prime.

It is not an unprimeable number, because it can be changed into a prime (611321530381) 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, 55418015 + ... + 55429044.

It is an arithmetic number, because the mean of its divisors is an integer number (91781365680).

Almost surely, 2^611321530385 is an apocalyptic number.

It is an amenable number.

611321530385 is a deficient number, since it is larger than the sum of its proper divisors (122929395055).

611321530385 is a wasteful number, since it uses less digits than its factorization.

611321530385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110848167.

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

The spelling of 611321530385 in words is "six hundred eleven billion, three hundred twenty-one million, five hundred thirty thousand, three hundred eighty-five".