55101055611 has 20 divisors (see below), whose sum is σ = 85707664552. Its totient is φ = 31486313376.

The previous prime is 55101055591. The next prime is 55101055649. The reversal of 55101055611 is 11655010155.

It is not a de Polignac number, because 55101055611 - 2⁵ = 55101055579 is a prime.

It is a super-2 number, since 2×55101055611² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55101055651) by changing a digit.

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 19 ways as a sum of consecutive naturals, for example, 3817666 + ... + 3832071.

Almost surely, 2^55101055611 is an apocalyptic number.

55101055611 is a deficient number, since it is larger than the sum of its proper divisors (30606608941).

55101055611 is an frugal number, since it uses more digits than its factorization.

55101055611 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7649768 (or 7649747 counting only the distinct ones).

The product of its (nonzero) digits is 3750, while the sum is 30.

Adding to 55101055611 its reverse (11655010155), we get a palindrome (66756065766).

The spelling of 55101055611 in words is "fifty-five billion, one hundred one million, fifty-five thousand, six hundred eleven".