10555513920 has 896 divisors, whose sum is σ = 45032371200. Its totient is φ = 2277310464.

The previous prime is 10555513853. The next prime is 10555513937. The reversal of 10555513920 is 2931555501.

10555513920 is a `hidden beast` number, since 1 + 0 + 5 + 55 + 513 + 92 + 0 = 666.

It is a super-2 number, since 2×10555513920² (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 an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 118601236 + ... + 118601324.

Almost surely, 2^10555513920 is an apocalyptic number.

10555513920 is a gapful number since it is divisible by the number (10) 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 10555513920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22516185600).

10555513920 is an abundant number, since it is smaller than the sum of its proper divisors (34476857280).

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

10555513920 is a wasteful number, since it uses less digits than its factorization.

10555513920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212 (or 196 counting only the distinct ones).

The product of its (nonzero) digits is 33750, while the sum is 36.

The spelling of 10555513920 in words is "ten billion, five hundred fifty-five million, five hundred thirteen thousand, nine hundred twenty".