25801480037 has 2 divisors, whose sum is σ = 25801480038. Its totient is φ = 25801480036.

The previous prime is 25801480013. The next prime is 25801480051. The reversal of 25801480037 is 73008410852.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 25014901921 + 786578116 = 158161^2 + 28046^2 .

It is a cyclic number.

It is not a de Polignac number, because 25801480037 - 2¹² = 25801475941 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25801480097) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12900740018 + 12900740019.

It is an arithmetic number, because the mean of its divisors is an integer number (12900740019).

Almost surely, 2^25801480037 is an apocalyptic number.

It is an amenable number.

25801480037 is a deficient number, since it is larger than the sum of its proper divisors (1).

25801480037 is an equidigital number, since it uses as much as digits as its factorization.

25801480037 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 53760, while the sum is 38.

Adding to 25801480037 its reverse (73008410852), we get a palindrome (98809890889).

The spelling of 25801480037 in words is "twenty-five billion, eight hundred one million, four hundred eighty thousand, thirty-seven".