26425115321377 has 2 divisors, whose sum is σ = 26425115321378. Its totient is φ = 26425115321376.

The previous prime is 26425115321333. The next prime is 26425115321431. The reversal of 26425115321377 is 77312351152462.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 25899641110561 + 525474210816 = 5089169^2 + 724896^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-26425115321377 is a prime.

It is a super-2 number, since 2×26425115321377² (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 26425115321377.

It is not a weakly prime, because it can be changed into another prime (26425115321477) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13212557660688 + 13212557660689.

It is an arithmetic number, because the mean of its divisors is an integer number (13212557660689).

Almost surely, 2^{26425115321377} is an apocalyptic number.

It is an amenable number.

26425115321377 is a deficient number, since it is larger than the sum of its proper divisors (1).

26425115321377 is an equidigital number, since it uses as much as digits as its factorization.

26425115321377 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2116800, while the sum is 49.

The spelling of 26425115321377 in words is "twenty-six trillion, four hundred twenty-five billion, one hundred fifteen million, three hundred twenty-one thousand, three hundred seventy-seven".