10555551216 has 240 divisors, whose sum is σ = 35157513664. Its totient is φ = 2893418496.

The previous prime is 10555551187. The next prime is 10555551233. The reversal of 10555551216 is 61215555501.

It is a super-2 number, since 2×10555551216² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2720670 + ... + 2724546.

Almost surely, 2^10555551216 is an apocalyptic number.

10555551216 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10555551216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17578756832).

10555551216 is an abundant number, since it is smaller than the sum of its proper divisors (24601962448).

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

10555551216 is a wasteful number, since it uses less digits than its factorization.

10555551216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4008 (or 3999 counting only the distinct ones).

The product of its (nonzero) digits is 37500, while the sum is 36.

The spelling of 10555551216 in words is "ten billion, five hundred fifty-five million, five hundred fifty-one thousand, two hundred sixteen".