26311778485 has 8 divisors (see below), whose sum is σ = 31637412000. Its totient is φ = 21007237584.

The previous prime is 26311778483. The next prime is 26311778527. The reversal of 26311778485 is 58487711362.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 26311778485 - 2¹ = 26311778483 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26311778483) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5270407 + ... + 5275396.

It is an arithmetic number, because the mean of its divisors is an integer number (3954676500).

Almost surely, 2^26311778485 is an apocalyptic number.

It is an amenable number.

26311778485 is a deficient number, since it is larger than the sum of its proper divisors (5325633515).

26311778485 is a wasteful number, since it uses less digits than its factorization.

26311778485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10546307.

The product of its digits is 2257920, while the sum is 52.

The spelling of 26311778485 in words is "twenty-six billion, three hundred eleven million, seven hundred seventy-eight thousand, four hundred eighty-five".