5400331661205 has 96 divisors (see below), whose sum is σ = 10482830991360. Its totient is φ = 2553507048960.

The previous prime is 5400331661201. The next prime is 5400331661251. The reversal of 5400331661205 is 5021661330045.

5400331661205 is a `hidden beast` number, since 5 + 4 + 0 + 0 + 3 + 31 + 6 + 612 + 0 + 5 = 666.

It is not a de Polignac number, because 5400331661205 - 2² = 5400331661201 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 5400331661205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5400331661201) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 2407012 + ... + 4073618.

It is an arithmetic number, because the mean of its divisors is an integer number (109196156160).

Almost surely, 2^{5400331661205} is an apocalyptic number.

It is an amenable number.

5400331661205 is a deficient number, since it is larger than the sum of its proper divisors (5082499330155).

5400331661205 is a wasteful number, since it uses less digits than its factorization.

5400331661205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1666851 (or 1666848 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 36.

The spelling of 5400331661205 in words is "five trillion, four hundred billion, three hundred thirty-one million, six hundred sixty-one thousand, two hundred five".