25130105243077 has 2 divisors, whose sum is σ = 25130105243078. Its totient is φ = 25130105243076.

The previous prime is 25130105243057. The next prime is 25130105243101. The reversal of 25130105243077 is 77034250103152.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 24969299431041 + 160805812036 = 4996929^2 + 401006^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25130105243077 is a prime.

It is a super-2 number, since 2×25130105243077² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25130105243057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12565052621538 + 12565052621539.

It is an arithmetic number, because the mean of its divisors is an integer number (12565052621539).

Almost surely, 2^{25130105243077} is an apocalyptic number.

It is an amenable number.

25130105243077 is a deficient number, since it is larger than the sum of its proper divisors (1).

25130105243077 is an equidigital number, since it uses as much as digits as its factorization.

25130105243077 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 176400, while the sum is 40.

The spelling of 25130105243077 in words is "twenty-five trillion, one hundred thirty billion, one hundred five million, two hundred forty-three thousand, seventy-seven".