10555221624431 has 16 divisors (see below), whose sum is σ = 11685337717248. Its totient is φ = 9453819211200.

The previous prime is 10555221624391. The next prime is 10555221624443. The reversal of 10555221624431 is 13442612255501.

It is a happy number.

10555221624431 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 10555221624431 - 2²⁶ = 10555154515567 is a prime.

It is a super-2 number, since 2×10555221624431² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10555221624481) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6482921 + ... + 7945986.

It is an arithmetic number, because the mean of its divisors is an integer number (730333607328).

Almost surely, 2^{10555221624431} is an apocalyptic number.

10555221624431 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

10555221624431 is a deficient number, since it is larger than the sum of its proper divisors (1130116092817).

10555221624431 is a wasteful number, since it uses less digits than its factorization.

10555221624431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14429902.

The product of its (nonzero) digits is 288000, while the sum is 41.

Adding to 10555221624431 its reverse (13442612255501), we get a palindrome (23997833879932).

The spelling of 10555221624431 in words is "ten trillion, five hundred fifty-five billion, two hundred twenty-one million, six hundred twenty-four thousand, four hundred thirty-one".