55101104145 has 32 divisors (see below), whose sum is σ = 99166890240. Its totient is φ = 29387249712.

The previous prime is 55101104143. The next prime is 55101104159. The reversal of 55101104145 is 54140110155.

55101104145 is a `hidden beast` number, since 5 + 510 + 1 + 1 + 0 + 4 + 145 = 666.

It is not a de Polignac number, because 55101104145 - 2¹ = 55101104143 is a prime.

It is a super-2 number, since 2×55101104145² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (55101104143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2508549 + ... + 2530418.

It is an arithmetic number, because the mean of its divisors is an integer number (3098965320).

Almost surely, 2^55101104145 is an apocalyptic number.

It is an amenable number.

55101104145 is a deficient number, since it is larger than the sum of its proper divisors (44065786095).

55101104145 is an frugal number, since it uses more digits than its factorization.

55101104145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5038993 (or 5038975 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 27.

The spelling of 55101104145 in words is "fifty-five billion, one hundred one million, one hundred four thousand, one hundred forty-five".