26242145099 has 8 divisors (see below), whose sum is σ = 26305522320. Its totient is φ = 26178840576.

The previous prime is 26242145057. The next prime is 26242145101. The reversal of 26242145099 is 99054124262.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-26242145099 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26242145599) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 742559 + ... + 777095.

It is an arithmetic number, because the mean of its divisors is an integer number (3288190290).

Almost surely, 2^26242145099 is an apocalyptic number.

26242145099 is a deficient number, since it is larger than the sum of its proper divisors (63377221).

26242145099 is a wasteful number, since it uses less digits than its factorization.

26242145099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36349.

The product of its (nonzero) digits is 311040, while the sum is 44.

The spelling of 26242145099 in words is "twenty-six billion, two hundred forty-two million, one hundred forty-five thousand, ninety-nine".