551665181411 has 2 divisors, whose sum is σ = 551665181412. Its totient is φ = 551665181410.

The previous prime is 551665181401. The next prime is 551665181429. The reversal of 551665181411 is 114181566155.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 551665181411 - 2²⁶ = 551598072547 is a prime.

It is not a weakly prime, because it can be changed into another prime (551665181401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 275832590705 + 275832590706.

It is an arithmetic number, because the mean of its divisors is an integer number (275832590706).

Almost surely, 2^551665181411 is an apocalyptic number.

551665181411 is a deficient number, since it is larger than the sum of its proper divisors (1).

551665181411 is an equidigital number, since it uses as much as digits as its factorization.

551665181411 is an evil number, because the sum of its binary digits is even.

The product of its digits is 144000, while the sum is 44.

The spelling of 551665181411 in words is "five hundred fifty-one billion, six hundred sixty-five million, one hundred eighty-one thousand, four hundred eleven".