155056422612213 has 40 divisors (see below), whose sum is σ = 232188327645120. Its totient is φ = 103120676778240.

The previous prime is 155056422612197. The next prime is 155056422612229. The reversal of 155056422612213 is 312216224650551.

155056422612213 is a `hidden beast` number, since 1 + 5 + 5 + 0 + 5 + 6 + 4 + 2 + 2 + 612 + 21 + 3 = 666.

It is an interprime number because it is at equal distance from previous prime (155056422612197) and next prime (155056422612229).

It is not a de Polignac number, because 155056422612213 - 2⁴ = 155056422612197 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155056422612233) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1295629368 + ... + 1295749038.

It is an arithmetic number, because the mean of its divisors is an integer number (5804708191128).

Almost surely, 2^{155056422612213} is an apocalyptic number.

It is an amenable number.

155056422612213 is a deficient number, since it is larger than the sum of its proper divisors (77131905032907).

155056422612213 is a wasteful number, since it uses less digits than its factorization.

155056422612213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158279 (or 158270 counting only the distinct ones).

The product of its (nonzero) digits is 864000, while the sum is 45.

The spelling of 155056422612213 in words is "one hundred fifty-five trillion, fifty-six billion, four hundred twenty-two million, six hundred twelve thousand, two hundred thirteen".