5515711455 has 32 divisors (see below), whose sum is σ = 9354481344. Its totient is φ = 2765643776.

The previous prime is 5515711441. The next prime is 5515711477. The reversal of 5515711455 is 5541175155.

It is a happy number.

It is not a de Polignac number, because 5515711455 - 2¹⁴ = 5515695071 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 231667 + ... + 254363.

It is an arithmetic number, because the mean of its divisors is an integer number (292327542).

Almost surely, 2^5515711455 is an apocalyptic number.

5515711455 is a deficient number, since it is larger than the sum of its proper divisors (3838769889).

5515711455 is a wasteful number, since it uses less digits than its factorization.

5515711455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23675.

The product of its digits is 87500, while the sum is 39.

The square root of 5515711455 is about 74267.8359385811. The cubic root of 5515711455 is about 1766.8533851344.

The spelling of 5515711455 in words is "five billion, five hundred fifteen million, seven hundred eleven thousand, four hundred fifty-five".