213360254551051 has 4 divisors (see below), whose sum is σ = 213360814684600. Its totient is φ = 213359694417504.

The previous prime is 213360254551049. The next prime is 213360254551229. The reversal of 213360254551051 is 150155452063312.

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

It is a cyclic number.

It is not a de Polignac number, because 213360254551051 - 2¹ = 213360254551049 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 213360254550989 and 213360254551007.

It is not an unprimeable number, because it can be changed into a prime (213360254551651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 279495021 + ... + 280257358.

It is an arithmetic number, because the mean of its divisors is an integer number (53340203671150).

Almost surely, 2^{213360254551051} is an apocalyptic number.

213360254551051 is a deficient number, since it is larger than the sum of its proper divisors (560133549).

213360254551051 is an equidigital number, since it uses as much as digits as its factorization.

213360254551051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 560133548.

The product of its (nonzero) digits is 540000, while the sum is 43.

The spelling of 213360254551051 in words is "two hundred thirteen trillion, three hundred sixty billion, two hundred fifty-four million, five hundred fifty-one thousand, fifty-one".