26310355387 has 2 divisors, whose sum is σ = 26310355388. Its totient is φ = 26310355386.

The previous prime is 26310355381. The next prime is 26310355397. The reversal of 26310355387 is 78355301362.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-26310355387 is a prime.

It is not a weakly prime, because it can be changed into another prime (26310355381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13155177693 + 13155177694.

It is an arithmetic number, because the mean of its divisors is an integer number (13155177694).

Almost surely, 2^26310355387 is an apocalyptic number.

26310355387 is a deficient number, since it is larger than the sum of its proper divisors (1).

26310355387 is an equidigital number, since it uses as much as digits as its factorization.

26310355387 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 453600, while the sum is 43.

The spelling of 26310355387 in words is "twenty-six billion, three hundred ten million, three hundred fifty-five thousand, three hundred eighty-seven".