5661605001155 has 16 divisors (see below), whose sum is σ = 6952016501760. Its totient is φ = 4423893128928.

The previous prime is 5661605001133. The next prime is 5661605001167. The reversal of 5661605001155 is 5511005061665.

It is a cyclic number.

It is not a de Polignac number, because 5661605001155 - 2¹⁴ = 5661604984771 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23543054 + ... + 23782316.

It is an arithmetic number, because the mean of its divisors is an integer number (434501031360).

Almost surely, 2^{5661605001155} is an apocalyptic number.

5661605001155 is a deficient number, since it is larger than the sum of its proper divisors (1290411500605).

5661605001155 is a wasteful number, since it uses less digits than its factorization.

5661605001155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 349370.

The product of its (nonzero) digits is 135000, while the sum is 41.

The spelling of 5661605001155 in words is "five trillion, six hundred sixty-one billion, six hundred five million, one thousand, one hundred fifty-five".