55611242121355 has 16 divisors (see below), whose sum is σ = 67283002872000. Its totient is φ = 44123555583360.

The previous prime is 55611242121319. The next prime is 55611242121361. The reversal of 55611242121355 is 55312124211655.

It is not a de Polignac number, because 55611242121355 - 2⁴⁵ = 20426870032523 is a prime.

It is a super-2 number, since 2×55611242121355² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55971975 + ... + 56956864.

It is an arithmetic number, because the mean of its divisors is an integer number (4205187679500).

Almost surely, 2^{55611242121355} is an apocalyptic number.

55611242121355 is a deficient number, since it is larger than the sum of its proper divisors (11671760750645).

55611242121355 is a wasteful number, since it uses less digits than its factorization.

55611242121355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112929654.

The product of its digits is 360000, while the sum is 43.

The spelling of 55611242121355 in words is "fifty-five trillion, six hundred eleven billion, two hundred forty-two million, one hundred twenty-one thousand, three hundred fifty-five".