2156550433202 has 16 divisors (see below), whose sum is σ = 3554288488800. Its totient is φ = 973198035840.

The previous prime is 2156550433183. The next prime is 2156550433223. The reversal of 2156550433202 is 2023340556512.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 352604927 + ... + 352611042.

It is an arithmetic number, because the mean of its divisors is an integer number (222143030550).

Almost surely, 2^{2156550433202} is an apocalyptic number.

2156550433202 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2156550433202 is a deficient number, since it is larger than the sum of its proper divisors (1397738055598).

2156550433202 is a wasteful number, since it uses less digits than its factorization.

2156550433202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 705216121.

The product of its (nonzero) digits is 216000, while the sum is 38.

Adding to 2156550433202 its reverse (2023340556512), we get a palindrome (4179890989714).

The spelling of 2156550433202 in words is "two trillion, one hundred fifty-six billion, five hundred fifty million, four hundred thirty-three thousand, two hundred two".