26158137104 has 80 divisors (see below), whose sum is σ = 57598188480. Its totient is φ = 11403264000.

The previous prime is 26158137079. The next prime is 26158137169. The reversal of 26158137104 is 40173185162.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 395024 + ... + 456464.

It is an arithmetic number, because the mean of its divisors is an integer number (719977356).

Almost surely, 2^26158137104 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 26158137104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28799094240).

26158137104 is an abundant number, since it is smaller than the sum of its proper divisors (31440051376).

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

26158137104 is a wasteful number, since it uses less digits than its factorization.

26158137104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61560 (or 61554 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 38.

The spelling of 26158137104 in words is "twenty-six billion, one hundred fifty-eight million, one hundred thirty-seven thousand, one hundred four".