26618279025 has 48 divisors (see below), whose sum is σ = 47546151296. Its totient is φ = 13062366720.

The previous prime is 26618278933. The next prime is 26618279029. The reversal of 26618279025 is 52097281662.

It is not a de Polignac number, because 26618279025 - 2⁸ = 26618278769 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (26618279029) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 261564 + ... + 348786.

Almost surely, 2^26618279025 is an apocalyptic number.

26618279025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

26618279025 is a deficient number, since it is larger than the sum of its proper divisors (20927872271).

26618279025 is a wasteful number, since it uses less digits than its factorization.

26618279025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87562 (or 87557 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 48.

The spelling of 26618279025 in words is "twenty-six billion, six hundred eighteen million, two hundred seventy-nine thousand, twenty-five".