5515101512 has 16 divisors (see below), whose sum is σ = 10949098860. Its totient is φ = 2595341824.

The previous prime is 5515101499. The next prime is 5515101533. The reversal of 5515101512 is 2151015155.

It can be written as a sum of positive squares in 2 ways, for example, as 4684854916 + 830246596 = 68446^2 + 28814^2 .

It is a super-2 number, since 2×5515101512² = 60832689375329372288, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20275973 + ... + 20276244.

Almost surely, 2^5515101512 is an apocalyptic number.

It is an amenable number.

5515101512 is a deficient number, since it is larger than the sum of its proper divisors (5433997348).

5515101512 is a wasteful number, since it uses less digits than its factorization.

5515101512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40552240 (or 40552236 counting only the distinct ones).

The product of its (nonzero) digits is 1250, while the sum is 26.

The square root of 5515101512 is about 74263.7294511931. The cubic root of 5515101512 is about 1766.7882548491.

Adding to 5515101512 its reverse (2151015155), we get a palindrome (7666116667).

The spelling of 5515101512 in words is "five billion, five hundred fifteen million, one hundred one thousand, five hundred twelve".