611120557 has 8 divisors (see below), whose sum is σ = 640178496. Its totient is φ = 582269952.

The previous prime is 611120551. The next prime is 611120561. The reversal of 611120557 is 755021116.

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 611120557 - 2¹¹ = 611118509 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (611120551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45783 + ... + 57604.

It is an arithmetic number, because the mean of its divisors is an integer number (80022312).

Almost surely, 2^611120557 is an apocalyptic number.

It is an amenable number.

611120557 is a deficient number, since it is larger than the sum of its proper divisors (29057939).

611120557 is a wasteful number, since it uses less digits than its factorization.

611120557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103667.

The product of its (nonzero) digits is 2100, while the sum is 28.

The square root of 611120557 is about 24720.8526754236. The cubic root of 611120557 is about 848.6116005356.

The spelling of 611120557 in words is "six hundred eleven million, one hundred twenty thousand, five hundred fifty-seven".