2156263441234 has 32 divisors (see below), whose sum is σ = 3705279552000. Its totient is φ = 921906585600.

The previous prime is 2156263441193. The next prime is 2156263441237. The reversal of 2156263441234 is 4321443626512.

It is not an unprimeable number, because it can be changed into a prime (2156263441237) 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, 44927202 + ... + 44975170.

It is an arithmetic number, because the mean of its divisors is an integer number (115789986000).

Almost surely, 2^{2156263441234} is an apocalyptic number.

2156263441234 is a deficient number, since it is larger than the sum of its proper divisors (1549016110766).

2156263441234 is a wasteful number, since it uses less digits than its factorization.

2156263441234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55578.

The product of its digits is 829440, while the sum is 43.

The spelling of 2156263441234 in words is "two trillion, one hundred fifty-six billion, two hundred sixty-three million, four hundred forty-one thousand, two hundred thirty-four".