26020145243 has 8 divisors (see below), whose sum is σ = 27556660368. Its totient is φ = 24484287744.

The previous prime is 26020145237. The next prime is 26020145267. The reversal of 26020145243 is 34254102062.

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

It is a cyclic number.

It is not a de Polignac number, because 26020145243 - 2⁴ = 26020145227 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26020142243) 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, 81746 + ... + 242327.

It is an arithmetic number, because the mean of its divisors is an integer number (3444582546).

Almost surely, 2^26020145243 is an apocalyptic number.

26020145243 is a deficient number, since it is larger than the sum of its proper divisors (1536515125).

26020145243 is a wasteful number, since it uses less digits than its factorization.

26020145243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 328813.

The product of its (nonzero) digits is 11520, while the sum is 29.

The spelling of 26020145243 in words is "twenty-six billion, twenty million, one hundred forty-five thousand, two hundred forty-three".