6155506440212 has 12 divisors (see below), whose sum is σ = 10772922137460. Its totient is φ = 3077528686656.

The previous prime is 6155506440197. The next prime is 6155506440221. The reversal of 6155506440212 is 2120446055516.

It can be written as a sum of positive squares in 2 ways, for example, as 4969528811536 + 1185977628676 = 2229244^2 + 1089026^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 6155506440212.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 56071673 + ... + 56181344.

It is an arithmetic number, because the mean of its divisors is an integer number (897743511455).

Almost surely, 2^{6155506440212} is an apocalyptic number.

It is an amenable number.

6155506440212 is a deficient number, since it is larger than the sum of its proper divisors (4617415697248).

6155506440212 is a wasteful number, since it uses less digits than its factorization.

6155506440212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112266730 (or 112266728 counting only the distinct ones).

The product of its (nonzero) digits is 288000, while the sum is 41.

The spelling of 6155506440212 in words is "six trillion, one hundred fifty-five billion, five hundred six million, four hundred forty thousand, two hundred twelve".