5405128855 has 32 divisors (see below), whose sum is σ = 7536314880. Its totient is φ = 3644784000.

The previous prime is 5405128829. The next prime is 5405128867. The reversal of 5405128855 is 5588215045.

It is not a de Polignac number, because 5405128855 - 2⁹ = 5405128343 is a prime.

It is a super-2 number, since 2×5405128855² = 58430835878307222050, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1660980 + ... + 1664230.

It is an arithmetic number, because the mean of its divisors is an integer number (235509840).

Almost surely, 2^5405128855 is an apocalyptic number.

5405128855 is a deficient number, since it is larger than the sum of its proper divisors (2131186025).

5405128855 is a wasteful number, since it uses less digits than its factorization.

5405128855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4039.

The product of its (nonzero) digits is 320000, while the sum is 43.

The square root of 5405128855 is about 73519.5814392329. The cubic root of 5405128855 is about 1754.9659065408.

The spelling of 5405128855 in words is "five billion, four hundred five million, one hundred twenty-eight thousand, eight hundred fifty-five".