6212255155544 has 16 divisors (see below), whose sum is σ = 11653822891320. Its totient is φ = 3104569051200.

The previous prime is 6212255155489. The next prime is 6212255155549. The reversal of 6212255155544 is 4455515522126.

It is a super-2 number, since 2×6212255155544² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6212255155549) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 194798882 + ... + 194830769.

Almost surely, 2^{6212255155544} is an apocalyptic number.

It is an amenable number.

6212255155544 is a deficient number, since it is larger than the sum of its proper divisors (5441567735776).

6212255155544 is a wasteful number, since it uses less digits than its factorization.

6212255155544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 389631650 (or 389631646 counting only the distinct ones).

The product of its digits is 2400000, while the sum is 47.

The spelling of 6212255155544 in words is "six trillion, two hundred twelve billion, two hundred fifty-five million, one hundred fifty-five thousand, five hundred forty-four".