2153321126431 has 2 divisors, whose sum is σ = 2153321126432. Its totient is φ = 2153321126430.

The previous prime is 2153321126417. The next prime is 2153321126441. The reversal of 2153321126431 is 1346211233512.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2153321126431 - 2¹³ = 2153321118239 is a prime.

It is a super-2 number, since 2×2153321126431² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2153321126441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1076660563215 + 1076660563216.

It is an arithmetic number, because the mean of its divisors is an integer number (1076660563216).

Almost surely, 2^{2153321126431} is an apocalyptic number.

2153321126431 is a deficient number, since it is larger than the sum of its proper divisors (1).

2153321126431 is an equidigital number, since it uses as much as digits as its factorization.

2153321126431 is an evil number, because the sum of its binary digits is even.

The product of its digits is 25920, while the sum is 34.

Adding to 2153321126431 its reverse (1346211233512), we get a palindrome (3499532359943).

The spelling of 2153321126431 in words is "two trillion, one hundred fifty-three billion, three hundred twenty-one million, one hundred twenty-six thousand, four hundred thirty-one".