210455152055 has 4 divisors (see below), whose sum is σ = 252546182472. Its totient is φ = 168364121640.

The previous prime is 210455152051. The next prime is 210455152073. The reversal of 210455152055 is 550251554012.

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

It is not a de Polignac number, because 210455152055 - 2² = 210455152051 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210455152051) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21045515201 + ... + 21045515210.

It is an arithmetic number, because the mean of its divisors is an integer number (63136545618).

Almost surely, 2^210455152055 is an apocalyptic number.

210455152055 is a deficient number, since it is larger than the sum of its proper divisors (42091030417).

210455152055 is an equidigital number, since it uses as much as digits as its factorization.

210455152055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42091030416.

The product of its (nonzero) digits is 50000, while the sum is 35.

The spelling of 210455152055 in words is "two hundred ten billion, four hundred fifty-five million, one hundred fifty-two thousand, fifty-five".