5411520665 has 12 divisors (see below), whose sum is σ = 6898286316. Its totient is φ = 4074555648.

The previous prime is 5411520659. The next prime is 5411520677. The reversal of 5411520665 is 5660251145.

It can be written as a sum of positive squares in 6 ways, for example, as 1225560064 + 4185960601 = 35008^2 + 64699^2 .

It is not a de Polignac number, because 5411520665 - 2⁴ = 5411520649 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1871054 + ... + 1873943.

It is an arithmetic number, because the mean of its divisors is an integer number (574857193).

Almost surely, 2^5411520665 is an apocalyptic number.

It is an amenable number.

5411520665 is a deficient number, since it is larger than the sum of its proper divisors (1486765651).

5411520665 is a wasteful number, since it uses less digits than its factorization.

5411520665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3745036 (or 3745019 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 35.

The square root of 5411520665 is about 73563.0387151047. The cubic root of 5411520665 is about 1755.6574096259.

The spelling of 5411520665 in words is "five billion, four hundred eleven million, five hundred twenty thousand, six hundred sixty-five".