55511110151016 has 256 divisors, whose sum is σ = 163721981203200. Its totient is φ = 15519298830336.

The previous prime is 55511110150939. The next prime is 55511110151117. The reversal of 55511110151016 is 61015101111555.

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 63 ways as a sum of consecutive naturals, for example, 1533988875 + ... + 1534025061.

It is an arithmetic number, because the mean of its divisors is an integer number (639538989075).

Almost surely, 2^{55511110151016} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55511110151016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (81860990601600).

55511110151016 is an abundant number, since it is smaller than the sum of its proper divisors (108210871052184).

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

55511110151016 is a wasteful number, since it uses less digits than its factorization.

55511110151016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46228 (or 46224 counting only the distinct ones).

The product of its (nonzero) digits is 3750, while the sum is 33.

The spelling of 55511110151016 in words is "fifty-five trillion, five hundred eleven billion, one hundred ten million, one hundred fifty-one thousand, sixteen".