55105001105 has 16 divisors (see below), whose sum is σ = 82442807424. Its totient is φ = 34351169280.

The previous prime is 55105001059. The next prime is 55105001113. The reversal of 55105001105 is 50110050155.

It is a happy number.

It is not a de Polignac number, because 55105001105 - 2¹⁶ = 55104935569 is a prime.

It is a super-2 number, since 2×55105001105² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

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, 71564552 + ... + 71565321.

It is an arithmetic number, because the mean of its divisors is an integer number (5152675464).

Almost surely, 2^55105001105 is an apocalyptic number.

55105001105 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

55105001105 is a deficient number, since it is larger than the sum of its proper divisors (27337806319).

55105001105 is a wasteful number, since it uses less digits than its factorization.

55105001105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143129896.

The product of its (nonzero) digits is 625, while the sum is 23.

The spelling of 55105001105 in words is "fifty-five billion, one hundred five million, one thousand, one hundred five".