1087521450871 has 2 divisors, whose sum is σ = 1087521450872. Its totient is φ = 1087521450870.

The previous prime is 1087521450863. The next prime is 1087521450887. The reversal of 1087521450871 is 1780541257801.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1087521450871 - 2³ = 1087521450863 is a prime.

It is a super-2 number, since 2×1087521450871² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1087521451871) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 543760725435 + 543760725436.

It is an arithmetic number, because the mean of its divisors is an integer number (543760725436).

Almost surely, 2^{1087521450871} is an apocalyptic number.

1087521450871 is a deficient number, since it is larger than the sum of its proper divisors (1).

1087521450871 is an equidigital number, since it uses as much as digits as its factorization.

1087521450871 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 627200, while the sum is 49.

The spelling of 1087521450871 in words is "one trillion, eighty-seven billion, five hundred twenty-one million, four hundred fifty thousand, eight hundred seventy-one".