55111624205 has 8 divisors (see below), whose sum is σ = 72146126304. Its totient is φ = 40081181200.

The previous prime is 55111624187. The next prime is 55111624279. The reversal of 55111624205 is 50242611155.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 55111624205 - 2²⁶ = 55044515341 is a prime.

It is a super-2 number, since 2×55111624205² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

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 7 ways as a sum of consecutive naturals, for example, 501014711 + ... + 501014820.

It is an arithmetic number, because the mean of its divisors is an integer number (9018265788).

Almost surely, 2^55111624205 is an apocalyptic number.

55111624205 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

55111624205 is a deficient number, since it is larger than the sum of its proper divisors (17034502099).

55111624205 is a wasteful number, since it uses less digits than its factorization.

55111624205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1002029547.

The product of its (nonzero) digits is 12000, while the sum is 32.

The spelling of 55111624205 in words is "fifty-five billion, one hundred eleven million, six hundred twenty-four thousand, two hundred five".