2155533314152 has 32 divisors (see below), whose sum is σ = 4144546171080. Its totient is φ = 1050376176640.

The previous prime is 2155533314131. The next prime is 2155533314161. The reversal of 2155533314152 is 2514133355512.

It can be written as a sum of positive squares in 4 ways, for example, as 1559416522756 + 596116791396 = 1248766^2 + 772086^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3135343 + ... + 3760510.

Almost surely, 2^{2155533314152} is an apocalyptic number.

It is an amenable number.

2155533314152 is a deficient number, since it is larger than the sum of its proper divisors (1989012856928).

2155533314152 is a wasteful number, since it uses less digits than its factorization.

2155533314152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6896853 (or 6896849 counting only the distinct ones).

The product of its digits is 270000, while the sum is 40.

Adding to 2155533314152 its reverse (2514133355512), we get a palindrome (4669666669664).

The spelling of 2155533314152 in words is "two trillion, one hundred fifty-five billion, five hundred thirty-three million, three hundred fourteen thousand, one hundred fifty-two".