611655541 has 8 divisors (see below), whose sum is σ = 701507264. Its totient is φ = 522421920.

The previous prime is 611655533. The next prime is 611655623. The reversal of 611655541 is 145556116.

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 611655541 - 2³ = 611655533 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 611655497 and 611655506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (611655511) 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, 152400 + ... + 156361.

It is an arithmetic number, because the mean of its divisors is an integer number (87688408).

Almost surely, 2^611655541 is an apocalyptic number.

It is an amenable number.

611655541 is a deficient number, since it is larger than the sum of its proper divisors (89851723).

611655541 is a wasteful number, since it uses less digits than its factorization.

611655541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 309051.

The product of its digits is 18000, while the sum is 34.

The square root of 611655541 is about 24731.6708089041. The cubic root of 611655541 is about 848.8591573721.

The spelling of 611655541 in words is "six hundred eleven million, six hundred fifty-five thousand, five hundred forty-one".