1655616040011 has 16 divisors (see below), whose sum is σ = 2452796661120. Its totient is φ = 1103729555880.

The previous prime is 1655616039989. The next prime is 1655616040079. The reversal of 1655616040011 is 1100406165561.

1655616040011 is a `hidden beast` number, since 1 + 6 + 556 + 1 + 60 + 40 + 0 + 1 + 1 = 666.

It is not a de Polignac number, because 1655616040011 - 2¹³ = 1655616031819 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1655616042011) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1944636 + ... + 2663238.

It is an arithmetic number, because the mean of its divisors is an integer number (153299791320).

Almost surely, 2^{1655616040011} is an apocalyptic number.

1655616040011 is a deficient number, since it is larger than the sum of its proper divisors (797180621109).

1655616040011 is an equidigital number, since it uses as much as digits as its factorization.

1655616040011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 803943 (or 803937 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 36.

The spelling of 1655616040011 in words is "one trillion, six hundred fifty-five billion, six hundred sixteen million, forty thousand, eleven".