55011116512 has 48 divisors (see below), whose sum is σ = 118708982784. Its totient is φ = 24886512000.

The previous prime is 55011116507. The next prime is 55011116539. The reversal of 55011116512 is 21561111055.

55011116512 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×55011116512² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 296064 + ... + 444607.

It is an arithmetic number, because the mean of its divisors is an integer number (2473103808).

Almost surely, 2^55011116512 is an apocalyptic number.

It is an amenable number.

55011116512 is an abundant number, since it is smaller than the sum of its proper divisors (63697866272).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55011116512 is a wasteful number, since it uses less digits than its factorization.

55011116512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 740903 (or 740895 counting only the distinct ones).

The product of its (nonzero) digits is 1500, while the sum is 28.

Adding to 55011116512 its reverse (21561111055), we get a palindrome (76572227567).

The spelling of 55011116512 in words is "fifty-five billion, eleven million, one hundred sixteen thousand, five hundred twelve".