26660493020025 has 72 divisors (see below), whose sum is σ = 47803563392000. Its totient is φ = 14203552746240.

The previous prime is 26660493019961. The next prime is 26660493020033. The reversal of 26660493020025 is 52002039406662.

It is not a de Polignac number, because 26660493020025 - 2⁶ = 26660493019961 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 2397736416 + ... + 2397747534.

Almost surely, 2^{26660493020025} is an apocalyptic number.

26660493020025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

26660493020025 is a deficient number, since it is larger than the sum of its proper divisors (21143070371975).

26660493020025 is a wasteful number, since it uses less digits than its factorization.

26660493020025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21703 (or 21695 counting only the distinct ones).

The product of its (nonzero) digits is 933120, while the sum is 45.

The spelling of 26660493020025 in words is "twenty-six trillion, six hundred sixty billion, four hundred ninety-three million, twenty thousand, twenty-five".