26017045851 has 16 divisors (see below), whose sum is σ = 34775431200. Its totient is φ = 17301715968.

The previous prime is 26017045843. The next prime is 26017045891. The reversal of 26017045851 is 15854071062.

It is not a de Polignac number, because 26017045851 - 2³ = 26017045843 is a prime.

It is not an unprimeable number, because it can be changed into a prime (26017045801) 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, 4439115 + ... + 4444971.

It is an arithmetic number, because the mean of its divisors is an integer number (2173464450).

Almost surely, 2^26017045851 is an apocalyptic number.

26017045851 is a deficient number, since it is larger than the sum of its proper divisors (8758385349).

26017045851 is a wasteful number, since it uses less digits than its factorization.

26017045851 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9278.

The product of its (nonzero) digits is 67200, while the sum is 39.

The spelling of 26017045851 in words is "twenty-six billion, seventeen million, forty-five thousand, eight hundred fifty-one".