26412256605403 has 16 divisors (see below), whose sum is σ = 28823244893280. Its totient is φ = 24101274871296.

The previous prime is 26412256605373. The next prime is 26412256605463. The reversal of 26412256605403 is 30450665221462.

It is a cyclic number.

It is not a de Polignac number, because 26412256605403 - 2⁹ = 26412256604891 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26412256605463) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 74010808 + ... + 74366821.

It is an arithmetic number, because the mean of its divisors is an integer number (1801452805830).

Almost surely, 2^{26412256605403} is an apocalyptic number.

26412256605403 is a deficient number, since it is larger than the sum of its proper divisors (2410988287877).

26412256605403 is a wasteful number, since it uses less digits than its factorization.

26412256605403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148377966.

The product of its (nonzero) digits is 2073600, while the sum is 46.

The spelling of 26412256605403 in words is "twenty-six trillion, four hundred twelve billion, two hundred fifty-six million, six hundred five thousand, four hundred three".