2153223550431 has 24 divisors (see below), whose sum is σ = 3119902845696. Its totient is φ = 1431010397520.

The previous prime is 2153223550421. The next prime is 2153223550459. The reversal of 2153223550431 is 1340553223512.

2153223550431 is a `hidden beast` number, since 2 + 1 + 53 + 2 + 23 + 550 + 4 + 31 = 666.

It is not a de Polignac number, because 2153223550431 - 2³⁸ = 1878345643487 is a prime.

It is a super-2 number, since 2×2153223550431² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2153223550421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 39006256 + ... + 39061418.

It is an arithmetic number, because the mean of its divisors is an integer number (129995951904).

Almost surely, 2^{2153223550431} is an apocalyptic number.

2153223550431 is a deficient number, since it is larger than the sum of its proper divisors (966679295265).

2153223550431 is a wasteful number, since it uses less digits than its factorization.

2153223550431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68603 (or 68600 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 36.

Adding to 2153223550431 its reverse (1340553223512), we get a palindrome (3493776773943).

The spelling of 2153223550431 in words is "two trillion, one hundred fifty-three billion, two hundred twenty-three million, five hundred fifty thousand, four hundred thirty-one".