25150361543 has 2 divisors, whose sum is σ = 25150361544. Its totient is φ = 25150361542.

The previous prime is 25150361479. The next prime is 25150361557. The reversal of 25150361543 is 34516305152.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 25150361543 - 2⁶ = 25150361479 is a prime.

It is a super-4 number, since 4×25150361543⁴ (a number of 43 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25150363543) 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, 12575180771 + 12575180772.

It is an arithmetic number, because the mean of its divisors is an integer number (12575180772).

Almost surely, 2^25150361543 is an apocalyptic number.

25150361543 is a deficient number, since it is larger than the sum of its proper divisors (1).

25150361543 is an equidigital number, since it uses as much as digits as its factorization.

25150361543 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 54000, while the sum is 35.

Adding to 25150361543 its reverse (34516305152), we get a palindrome (59666666695).

The spelling of 25150361543 in words is "twenty-five billion, one hundred fifty million, three hundred sixty-one thousand, five hundred forty-three".