611042017857 has 16 divisors (see below), whose sum is σ = 858116808000. Its totient is φ = 385689985344.

The previous prime is 611042017841. The next prime is 611042017871. The reversal of 611042017857 is 758710240116.

It is not a de Polignac number, because 611042017857 - 2⁴ = 611042017841 is a prime.

It is not an unprimeable number, because it can be changed into a prime (611042017057) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3116382 + ... + 3306647.

It is an arithmetic number, because the mean of its divisors is an integer number (53632300500).

Almost surely, 2^611042017857 is an apocalyptic number.

It is an amenable number.

611042017857 is a deficient number, since it is larger than the sum of its proper divisors (247074790143).

611042017857 is a wasteful number, since it uses less digits than its factorization.

611042017857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6424720.

The product of its (nonzero) digits is 94080, while the sum is 42.

The spelling of 611042017857 in words is "six hundred eleven billion, forty-two million, seventeen thousand, eight hundred fifty-seven".