210032145055 has 4 divisors (see below), whose sum is σ = 252038574072. Its totient is φ = 168025716040.

The previous prime is 210032145049. The next prime is 210032145061. The reversal of 210032145055 is 550541230012.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (210032145049) and next prime (210032145061).

It is not a de Polignac number, because 210032145055 - 2³ = 210032145047 is a prime.

It is a super-2 number, since 2×210032145055² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21003214501 + ... + 21003214510.

It is an arithmetic number, because the mean of its divisors is an integer number (63009643518).

Almost surely, 2^210032145055 is an apocalyptic number.

210032145055 is a deficient number, since it is larger than the sum of its proper divisors (42006429017).

210032145055 is an equidigital number, since it uses as much as digits as its factorization.

210032145055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42006429016.

The product of its (nonzero) digits is 6000, while the sum is 28.

Adding to 210032145055 its reverse (550541230012), we get a palindrome (760573375067).

The spelling of 210032145055 in words is "two hundred ten billion, thirty-two million, one hundred forty-five thousand, fifty-five".