551244511413 has 12 divisors (see below), whose sum is σ = 807456750048. Its totient is φ = 362320335720.

The previous prime is 551244511373. The next prime is 551244511417. The reversal of 551244511413 is 314115442155.

551244511413 is a `hidden beast` number, since 5 + 5 + 124 + 4 + 511 + 4 + 13 = 666.

It is not a de Polignac number, because 551244511413 - 2¹⁶ = 551244445877 is a prime.

It is a super-2 number, since 2×551244511413² (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 (551244511417) 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 11 ways as a sum of consecutive naturals, for example, 431333095 + ... + 431334372.

It is an arithmetic number, because the mean of its divisors is an integer number (67288062504).

Almost surely, 2^551244511413 is an apocalyptic number.

It is an amenable number.

551244511413 is a deficient number, since it is larger than the sum of its proper divisors (256212238635).

551244511413 is a wasteful number, since it uses less digits than its factorization.

551244511413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 862667544 (or 862667541 counting only the distinct ones).

The product of its digits is 48000, while the sum is 36.

Adding to 551244511413 its reverse (314115442155), we get a palindrome (865359953568).

The spelling of 551244511413 in words is "five hundred fifty-one billion, two hundred forty-four million, five hundred eleven thousand, four hundred thirteen".