2156263441201 has 8 divisors (see below), whose sum is σ = 2283180134400. Its totient is φ = 2029355377728.

The previous prime is 2156263441193. The next prime is 2156263441237. The reversal of 2156263441201 is 1021443626512.

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

It is a cyclic number.

It is not a de Polignac number, because 2156263441201 - 2³ = 2156263441193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2156263441271) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1639441 + ... + 2645806.

It is an arithmetic number, because the mean of its divisors is an integer number (285397516800).

Almost surely, 2^{2156263441201} is an apocalyptic number.

It is an amenable number.

2156263441201 is a deficient number, since it is larger than the sum of its proper divisors (126916693199).

2156263441201 is a wasteful number, since it uses less digits than its factorization.

2156263441201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4314863.

The product of its (nonzero) digits is 69120, while the sum is 37.

The spelling of 2156263441201 in words is "two trillion, one hundred fifty-six billion, two hundred sixty-three million, four hundred forty-one thousand, two hundred one".