551262316213 has 16 divisors (see below), whose sum is σ = 631968503040. Its totient is φ = 471045459456.

The previous prime is 551262316177. The next prime is 551262316259. The reversal of 551262316213 is 312613262155.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-551262316213 is a prime.

It is a super-2 number, since 2×551262316213² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (551262316273) 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 15 ways as a sum of consecutive naturals, for example, 9828856 + ... + 9884782.

It is an arithmetic number, because the mean of its divisors is an integer number (39498031440).

Almost surely, 2^551262316213 is an apocalyptic number.

It is an amenable number.

551262316213 is a deficient number, since it is larger than the sum of its proper divisors (80706186827).

551262316213 is a wasteful number, since it uses less digits than its factorization.

551262316213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60276.

The product of its digits is 64800, while the sum is 37.

Adding to 551262316213 its reverse (312613262155), we get a palindrome (863875578368).

The spelling of 551262316213 in words is "five hundred fifty-one billion, two hundred sixty-two million, three hundred sixteen thousand, two hundred thirteen".