55515101205 has 16 divisors (see below), whose sum is σ = 89161902720. Its totient is φ = 29495473728.

The previous prime is 55515101129. The next prime is 55515101231. The reversal of 55515101205 is 50210151555.

It is not a de Polignac number, because 55515101205 - 2¹² = 55515097109 is a prime.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 7032190 + ... + 7040079.

It is an arithmetic number, because the mean of its divisors is an integer number (5572618920).

Almost surely, 2^55515101205 is an apocalyptic number.

It is an amenable number.

55515101205 is a deficient number, since it is larger than the sum of its proper divisors (33646801515).

55515101205 is a wasteful number, since it uses less digits than its factorization.

55515101205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14072540.

The product of its (nonzero) digits is 6250, while the sum is 30.

The spelling of 55515101205 in words is "fifty-five billion, five hundred fifteen million, one hundred one thousand, two hundred five".