551101330487 has 2 divisors, whose sum is σ = 551101330488. Its totient is φ = 551101330486.

The previous prime is 551101330471. The next prime is 551101330523. The reversal of 551101330487 is 784033101155.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 551101330487 - 2⁴ = 551101330471 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 551101330487.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (551101330187) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 275550665243 + 275550665244.

It is an arithmetic number, because the mean of its divisors is an integer number (275550665244).

Almost surely, 2^551101330487 is an apocalyptic number.

551101330487 is a deficient number, since it is larger than the sum of its proper divisors (1).

551101330487 is an equidigital number, since it uses as much as digits as its factorization.

551101330487 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 50400, while the sum is 38.

The spelling of 551101330487 in words is "five hundred fifty-one billion, one hundred one million, three hundred thirty thousand, four hundred eighty-seven".