5451264515 has 4 divisors (see below), whose sum is σ = 6541517424. Its totient is φ = 4361011608.

The previous prime is 5451264449. The next prime is 5451264551. The reversal of 5451264515 is 5154621545.

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 5451264515 - 2¹⁰ = 5451263491 is a prime.

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, 545126447 + ... + 545126456.

It is an arithmetic number, because the mean of its divisors is an integer number (1635379356).

Almost surely, 2^5451264515 is an apocalyptic number.

5451264515 is a deficient number, since it is larger than the sum of its proper divisors (1090252909).

5451264515 is a wasteful number, since it uses less digits than its factorization.

5451264515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1090252908.

The product of its digits is 120000, while the sum is 38.

The square root of 5451264515 is about 73832.6791806988. The cubic root of 5451264515 is about 1759.9449572791.

The spelling of 5451264515 in words is "five billion, four hundred fifty-one million, two hundred sixty-four thousand, five hundred fifteen".