551245202311 has 4 divisors (see below), whose sum is σ = 559472742712. Its totient is φ = 543017661912.

The previous prime is 551245202257. The next prime is 551245202323. The reversal of 551245202311 is 113202542155.

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 551245202311 - 2³⁷ = 413806248839 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 (551245202111) 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, 4113770100 + ... + 4113770233.

It is an arithmetic number, because the mean of its divisors is an integer number (139868185678).

Almost surely, 2^551245202311 is an apocalyptic number.

551245202311 is a deficient number, since it is larger than the sum of its proper divisors (8227540401).

551245202311 is an equidigital number, since it uses as much as digits as its factorization.

551245202311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8227540400.

The product of its (nonzero) digits is 12000, while the sum is 31.

Adding to 551245202311 its reverse (113202542155), we get a palindrome (664447744466).

The spelling of 551245202311 in words is "five hundred fifty-one billion, two hundred forty-five million, two hundred two thousand, three hundred eleven".