551050510187 has 2 divisors, whose sum is σ = 551050510188. Its totient is φ = 551050510186.

The previous prime is 551050510099. The next prime is 551050510211. The reversal of 551050510187 is 781015050155.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-551050510187 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 551050510187.

It is not a weakly prime, because it can be changed into another prime (551050510687) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 275525255093 + 275525255094.

It is an arithmetic number, because the mean of its divisors is an integer number (275525255094).

Almost surely, 2^551050510187 is an apocalyptic number.

551050510187 is a deficient number, since it is larger than the sum of its proper divisors (1).

551050510187 is an equidigital number, since it uses as much as digits as its factorization.

551050510187 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 35000, while the sum is 38.

The spelling of 551050510187 in words is "five hundred fifty-one billion, fifty million, five hundred ten thousand, one hundred eighty-seven".