20580126511 has 8 divisors (see below), whose sum is σ = 23541672224. Its totient is φ = 17623962720.

The previous prime is 20580126491. The next prime is 20580126521. The reversal of 20580126511 is 11562108502.

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

It is a de Polignac number, because none of the positive numbers 2^k-20580126511 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20580126521) 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, 1337280 + ... + 1352581.

It is an arithmetic number, because the mean of its divisors is an integer number (2942709028).

Almost surely, 2^20580126511 is an apocalyptic number.

20580126511 is a deficient number, since it is larger than the sum of its proper divisors (2961545713).

20580126511 is a wasteful number, since it uses less digits than its factorization.

20580126511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2690961.

The product of its (nonzero) digits is 4800, while the sum is 31.

The spelling of 20580126511 in words is "twenty billion, five hundred eighty million, one hundred twenty-six thousand, five hundred eleven".