611218120741208 has 16 divisors (see below), whose sum is σ = 1213447739707080. Its totient is φ = 287632056819328.

The previous prime is 611218120741183. The next prime is 611218120741223. The reversal of 611218120741208 is 802147021812116.

It is a super-2 number, since 2×611218120741208² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2247125443766 + ... + 2247125444037.

Almost surely, 2^{611218120741208} is an apocalyptic number.

611218120741208 is a gapful number since it is divisible by the number (68) formed by its first and last digit.

It is an amenable number.

611218120741208 is a deficient number, since it is larger than the sum of its proper divisors (602229618965872).

611218120741208 is a wasteful number, since it uses less digits than its factorization.

611218120741208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4494250887826 (or 4494250887822 counting only the distinct ones).

The product of its (nonzero) digits is 86016, while the sum is 44.

The spelling of 611218120741208 in words is "six hundred eleven trillion, two hundred eighteen billion, one hundred twenty million, seven hundred forty-one thousand, two hundred eight".