26143791503268 has 48 divisors (see below), whose sum is σ = 61081236930560. Its totient is φ = 8703310356000.

The previous prime is 26143791503237. The next prime is 26143791503287. The reversal of 26143791503268 is 86230519734162.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29507403 + ... + 30380493.

It is a 1-persistent number, because it is pandigital, but 2⋅26143791503268 = 52287583006536 is not.

Almost surely, 2^{26143791503268} is an apocalyptic number.

It is an amenable number.

26143791503268 is an abundant number, since it is smaller than the sum of its proper divisors (34937445427292).

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

26143791503268 is a wasteful number, since it uses less digits than its factorization.

26143791503268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 876328 (or 876326 counting only the distinct ones).

The product of its (nonzero) digits is 13063680, while the sum is 57.

The spelling of 26143791503268 in words is "twenty-six trillion, one hundred forty-three billion, seven hundred ninety-one million, five hundred three thousand, two hundred sixty-eight".