26365461219157 has 2 divisors, whose sum is σ = 26365461219158. Its totient is φ = 26365461219156.

The previous prime is 26365461219133. The next prime is 26365461219169. The reversal of 26365461219157 is 75191216456362.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13473297018801 + 12892164200356 = 3670599^2 + 3590566^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-26365461219157 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26365761219157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13182730609578 + 13182730609579.

It is an arithmetic number, because the mean of its divisors is an integer number (13182730609579).

Almost surely, 2^{26365461219157} is an apocalyptic number.

It is an amenable number.

26365461219157 is a deficient number, since it is larger than the sum of its proper divisors (1).

26365461219157 is an equidigital number, since it uses as much as digits as its factorization.

26365461219157 is an evil number, because the sum of its binary digits is even.

The product of its digits is 16329600, while the sum is 58.

The spelling of 26365461219157 in words is "twenty-six trillion, three hundred sixty-five billion, four hundred sixty-one million, two hundred nineteen thousand, one hundred fifty-seven".