10555259511420 has 480 divisors, whose sum is σ = 35867380200960. Its totient is φ = 2593772202240.

The previous prime is 10555259511347. The next prime is 10555259511421. The reversal of 10555259511420 is 2411595255501.

10555259511420 is a `hidden beast` number, since 1 + 0 + 5 + 5 + 5 + 2 + 595 + 11 + 42 + 0 = 666.

It is a super-2 number, since 2×10555259511420² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10555259511421) by changing a digit.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 3781890225 + ... + 3781893015.

It is an arithmetic number, because the mean of its divisors is an integer number (74723708752).

Almost surely, 2^{10555259511420} is an apocalyptic number.

10555259511420 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 10555259511420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17933690100480).

10555259511420 is an abundant number, since it is smaller than the sum of its proper divisors (25312120689540).

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

10555259511420 is an equidigital number, since it uses as much as digits as its factorization.

10555259511420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3579 (or 3553 counting only the distinct ones).

The product of its (nonzero) digits is 450000, while the sum is 45.

The spelling of 10555259511420 in words is "ten trillion, five hundred fifty-five billion, two hundred fifty-nine million, five hundred eleven thousand, four hundred twenty".