26401102603 has 2 divisors, whose sum is σ = 26401102604. Its totient is φ = 26401102602.

The previous prime is 26401102577. The next prime is 26401102613. The reversal of 26401102603 is 30620110462.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-26401102603 is a prime.

It is not a weakly prime, because it can be changed into another prime (26401102613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13200551301 + 13200551302.

It is an arithmetic number, because the mean of its divisors is an integer number (13200551302).

Almost surely, 2^26401102603 is an apocalyptic number.

26401102603 is a deficient number, since it is larger than the sum of its proper divisors (1).

26401102603 is an equidigital number, since it uses as much as digits as its factorization.

26401102603 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 25.

The spelling of 26401102603 in words is "twenty-six billion, four hundred one million, one hundred two thousand, six hundred three".