2156333506055 has 32 divisors (see below), whose sum is σ = 2836712456640. Its totient is φ = 1566265559040.

The previous prime is 2156333506051. The next prime is 2156333506057. The reversal of 2156333506055 is 5506053336512.

It is not a de Polignac number, because 2156333506055 - 2² = 2156333506051 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2156333505997 and 2156333506015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2156333506051) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2512997 + ... + 3260033.

It is an arithmetic number, because the mean of its divisors is an integer number (88647264270).

Almost surely, 2^{2156333506055} is an apocalyptic number.

2156333506055 is a deficient number, since it is larger than the sum of its proper divisors (680378950585).

2156333506055 is a wasteful number, since it uses less digits than its factorization.

2156333506055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 748259.

The product of its (nonzero) digits is 1215000, while the sum is 44.

The spelling of 2156333506055 in words is "two trillion, one hundred fifty-six billion, three hundred thirty-three million, five hundred six thousand, fifty-five".