210115030548851 has 2 divisors, whose sum is σ = 210115030548852. Its totient is φ = 210115030548850.

The previous prime is 210115030548847. The next prime is 210115030548989. The reversal of 210115030548851 is 158845030511012.

It is a happy number.

210115030548851 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 210115030548851 - 2² = 210115030548847 is a prime.

It is not a weakly prime, because it can be changed into another prime (210115030548751) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105057515274425 + 105057515274426.

It is an arithmetic number, because the mean of its divisors is an integer number (105057515274426).

Almost surely, 2^{210115030548851} is an apocalyptic number.

210115030548851 is a deficient number, since it is larger than the sum of its proper divisors (1).

210115030548851 is an equidigital number, since it uses as much as digits as its factorization.

210115030548851 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 192000, while the sum is 44.

The spelling of 210115030548851 in words is "two hundred ten trillion, one hundred fifteen billion, thirty million, five hundred forty-eight thousand, eight hundred fifty-one".