5511005987 has 2 divisors, whose sum is σ = 5511005988. Its totient is φ = 5511005986.

The previous prime is 5511005953. The next prime is 5511006041. The reversal of 5511005987 is 7895001155.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5511005987 - 2¹⁰ = 5511004963 is a prime.

It is not a weakly prime, because it can be changed into another prime (5511005287) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2755502993 + 2755502994.

It is an arithmetic number, because the mean of its divisors is an integer number (2755502994).

Almost surely, 2^5511005987 is an apocalyptic number.

5511005987 is a deficient number, since it is larger than the sum of its proper divisors (1).

5511005987 is an equidigital number, since it uses as much as digits as its factorization.

5511005987 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 63000, while the sum is 41.

The square root of 5511005987 is about 74236.1501359008. The cubic root of 5511005987 is about 1766.3508064281.

The spelling of 5511005987 in words is "five billion, five hundred eleven million, five thousand, nine hundred eighty-seven".