2156001125366 has 8 divisors (see below), whose sum is σ = 3528001841544. Its totient is φ = 980000511520.

The previous prime is 2156001125363. The next prime is 2156001125381. The reversal of 2156001125366 is 6635211006512.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2156001125363) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49000025555 + ... + 49000025598.

It is an arithmetic number, because the mean of its divisors is an integer number (441000230193).

Almost surely, 2^{2156001125366} is an apocalyptic number.

2156001125366 is a deficient number, since it is larger than the sum of its proper divisors (1372000716178).

2156001125366 is a wasteful number, since it uses less digits than its factorization.

2156001125366 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98000051166.

The product of its (nonzero) digits is 64800, while the sum is 38.

The spelling of 2156001125366 in words is "two trillion, one hundred fifty-six billion, one million, one hundred twenty-five thousand, three hundred sixty-six".