25532142012431 has 2 divisors, whose sum is σ = 25532142012432. Its totient is φ = 25532142012430.

The previous prime is 25532142012383. The next prime is 25532142012577. The reversal of 25532142012431 is 13421024123552.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 25532142012431 - 2²² = 25532137818127 is a prime.

It is a super-2 number, since 2×25532142012431² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 25532142012391 and 25532142012400.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25532142012331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12766071006215 + 12766071006216.

It is an arithmetic number, because the mean of its divisors is an integer number (12766071006216).

Almost surely, 2^{25532142012431} is an apocalyptic number.

25532142012431 is a deficient number, since it is larger than the sum of its proper divisors (1).

25532142012431 is an equidigital number, since it uses as much as digits as its factorization.

25532142012431 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 57600, while the sum is 35.

Adding to 25532142012431 its reverse (13421024123552), we get a palindrome (38953166135983).

The spelling of 25532142012431 in words is "twenty-five trillion, five hundred thirty-two billion, one hundred forty-two million, twelve thousand, four hundred thirty-one".