5551501515 has 16 divisors (see below), whose sum is σ = 10151317248. Its totient is φ = 2537829216.

The previous prime is 5551501471. The next prime is 5551501531. The reversal of 5551501515 is 5151051555.

5551501515 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 5551501515 - 2⁷ = 5551501387 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26435617 + ... + 26435826.

It is an arithmetic number, because the mean of its divisors is an integer number (634457328).

Almost surely, 2^5551501515 is an apocalyptic number.

5551501515 is a deficient number, since it is larger than the sum of its proper divisors (4599815733).

5551501515 is a wasteful number, since it uses less digits than its factorization.

5551501515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52871458.

The product of its (nonzero) digits is 15625, while the sum is 33.

The square root of 5551501515 is about 74508.3989560908. The cubic root of 5551501515 is about 1770.6667043779. Note that the first 3 decimals are identical.

The spelling of 5551501515 in words is "five billion, five hundred fifty-one million, five hundred one thousand, five hundred fifteen".