5515145315 has 4 divisors (see below), whose sum is σ = 6618174384. Its totient is φ = 4412116248.

The previous prime is 5515145309. The next prime is 5515145323. The reversal of 5515145315 is 5135415155.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 5515145315 - 2²⁸ = 5246709859 is a prime.

It is a super-3 number, since 3×5515145315³ (a number of 30 digits) contains 333 as substring.

It is a Duffinian number.

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, 551514527 + ... + 551514536.

It is an arithmetic number, because the mean of its divisors is an integer number (1654543596).

Almost surely, 2^5515145315 is an apocalyptic number.

5515145315 is a deficient number, since it is larger than the sum of its proper divisors (1103029069).

5515145315 is a wasteful number, since it uses less digits than its factorization.

5515145315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1103029068.

The product of its digits is 37500, while the sum is 35.

The square root of 5515145315 is about 74264.0243657722. The cubic root of 5515145315 is about 1766.7929323346.

The spelling of 5515145315 in words is "five billion, five hundred fifteen million, one hundred forty-five thousand, three hundred fifteen".