4005555011655 has 16 divisors (see below), whose sum is σ = 6408924328320. Its totient is φ = 2136283903008.

The previous prime is 4005555011587. The next prime is 4005555011671. The reversal of 4005555011655 is 5561105555004.

It is not a de Polignac number, because 4005555011655 - 2¹⁴ = 4005554995271 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2405844 + ... + 3714726.

It is an arithmetic number, because the mean of its divisors is an integer number (400557770520).

Almost surely, 2^{4005555011655} is an apocalyptic number.

4005555011655 is a deficient number, since it is larger than the sum of its proper divisors (2403369316665).

4005555011655 is a wasteful number, since it uses less digits than its factorization.

4005555011655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1512910.

The product of its (nonzero) digits is 375000, while the sum is 42.

The spelling of 4005555011655 in words is "four trillion, five billion, five hundred fifty-five million, eleven thousand, six hundred fifty-five".