26381522136954 has 8 divisors (see below), whose sum is σ = 52763044273920. Its totient is φ = 8793840712316.

The previous prime is 26381522136923. The next prime is 26381522136971. The reversal of 26381522136954 is 45963122518362.

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

26381522136954 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 26381522136894 and 26381522136903.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2198460178074 + ... + 2198460178085.

It is an arithmetic number, because the mean of its divisors is an integer number (6595380534240).

Almost surely, 2^{26381522136954} is an apocalyptic number.

26381522136954 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

26381522136954 is a wasteful number, since it uses less digits than its factorization.

26381522136954 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4396920356164.

The product of its digits is 18662400, while the sum is 57.

The spelling of 26381522136954 in words is "twenty-six trillion, three hundred eighty-one billion, five hundred twenty-two million, one hundred thirty-six thousand, nine hundred fifty-four".