1005515516 has 6 divisors (see below), whose sum is σ = 1759652160. Its totient is φ = 502757756.

The previous prime is 1005515513. The next prime is 1005515527. The reversal of 1005515516 is 6155155001.

It is a happy number.

It is a super-2 number, since 2×1005515516² = 2022122905833492512, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1005515513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 125689436 + ... + 125689443.

It is an arithmetic number, because the mean of its divisors is an integer number (293275360).

Almost surely, 2^1005515516 is an apocalyptic number.

It is an amenable number.

1005515516 is a deficient number, since it is larger than the sum of its proper divisors (754136644).

1005515516 is a wasteful number, since it uses less digits than its factorization.

1005515516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 251378883 (or 251378881 counting only the distinct ones).

The product of its (nonzero) digits is 3750, while the sum is 29.

The square root of 1005515516 is about 31709.8646480870. The cubic root of 1005515516 is about 1001.8351355508.

The spelling of 1005515516 in words is "one billion, five million, five hundred fifteen thousand, five hundred sixteen".