245553540252211 has 4 divisors (see below), whose sum is σ = 245553582568392. Its totient is φ = 245553497936032.

The previous prime is 245553540252143. The next prime is 245553540252233. The reversal of 245553540252211 is 112252045355542.

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 245553540252211 - 2⁹ = 245553540251699 is a prime.

It is a super-2 number, since 2×245553540252211² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (245553540252271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10745830 + ... + 24628843.

It is an arithmetic number, because the mean of its divisors is an integer number (61388395642098).

Almost surely, 2^{245553540252211} is an apocalyptic number.

245553540252211 is a deficient number, since it is larger than the sum of its proper divisors (42316181).

245553540252211 is an equidigital number, since it uses as much as digits as its factorization.

245553540252211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42316180.

The product of its (nonzero) digits is 2400000, while the sum is 46.

The spelling of 245553540252211 in words is "two hundred forty-five trillion, five hundred fifty-three billion, five hundred forty million, two hundred fifty-two thousand, two hundred eleven".