26650001375 has 16 divisors (see below), whose sum is σ = 33513109344. Its totient is φ = 21157240000.

The previous prime is 26650001351. The next prime is 26650001377. The reversal of 26650001375 is 57310005662.

It is a de Polignac number, because none of the positive numbers 2^k-26650001375 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26650001377) 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, 797366 + ... + 830115.

It is an arithmetic number, because the mean of its divisors is an integer number (2094569334).

Almost surely, 2^26650001375 is an apocalyptic number.

26650001375 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

26650001375 is a deficient number, since it is larger than the sum of its proper divisors (6863107969).

26650001375 is a wasteful number, since it uses less digits than its factorization.

26650001375 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1627627 (or 1627617 counting only the distinct ones).

The product of its (nonzero) digits is 37800, while the sum is 35.

The spelling of 26650001375 in words is "twenty-six billion, six hundred fifty million, one thousand, three hundred seventy-five".