213110501005445 has 16 divisors (see below), whose sum is σ = 264552129270000. Its totient is φ = 164608767095808.

The previous prime is 213110501005357. The next prime is 213110501005463. The reversal of 213110501005445 is 544500105011312.

213110501005445 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 2134120704769 + 210976380300676 = 1460863^2 + 14525026^2 .

It is a cyclic number.

It is not a de Polignac number, because 213110501005445 - 2²⁸ = 213110232569989 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31139231 + ... + 37361379.

It is an arithmetic number, because the mean of its divisors is an integer number (16534508079375).

Almost surely, 2^{213110501005445} is an apocalyptic number.

It is an amenable number.

213110501005445 is a deficient number, since it is larger than the sum of its proper divisors (51441628264555).

213110501005445 is a wasteful number, since it uses less digits than its factorization.

213110501005445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6458392.

The product of its (nonzero) digits is 12000, while the sum is 32.

Adding to 213110501005445 its reverse (544500105011312), we get a palindrome (757610606016757).

The spelling of 213110501005445 in words is "two hundred thirteen trillion, one hundred ten billion, five hundred one million, five thousand, four hundred forty-five".