25614520499941 has 2 divisors, whose sum is σ = 25614520499942. Its totient is φ = 25614520499940.

The previous prime is 25614520499933. The next prime is 25614520500007. The reversal of 25614520499941 is 14999402541652.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 24723478897441 + 891041602500 = 4972271^2 + 943950^2 .

It is a cyclic number.

It is not a de Polignac number, because 25614520499941 - 2³ = 25614520499933 is a prime.

It is a super-2 number, since 2×25614520499941² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 25614520499941.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25614520499341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12807260249970 + 12807260249971.

It is an arithmetic number, because the mean of its divisors is an integer number (12807260249971).

Almost surely, 2^{25614520499941} is an apocalyptic number.

It is an amenable number.

25614520499941 is a deficient number, since it is larger than the sum of its proper divisors (1).

25614520499941 is an equidigital number, since it uses as much as digits as its factorization.

25614520499941 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27993600, while the sum is 61.

The spelling of 25614520499941 in words is "twenty-five trillion, six hundred fourteen billion, five hundred twenty million, four hundred ninety-nine thousand, nine hundred forty-one".