20041544511 has 12 divisors (see below), whose sum is σ = 30651774192. Its totient is φ = 12575086656.

The previous prime is 20041544507. The next prime is 20041544573. The reversal of 20041544511 is 11544514002.

20041544511 is a `hidden beast` number, since 200 + 4 + 1 + 5 + 4 + 451 + 1 = 666.

It is not a de Polignac number, because 20041544511 - 2² = 20041544507 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20041544111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 65495091 + ... + 65495396.

It is an arithmetic number, because the mean of its divisors is an integer number (2554314516).

Almost surely, 2^20041544511 is an apocalyptic number.

20041544511 is a deficient number, since it is larger than the sum of its proper divisors (10610229681).

20041544511 is a wasteful number, since it uses less digits than its factorization.

20041544511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130990510 (or 130990507 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 27.

The spelling of 20041544511 in words is "twenty billion, forty-one million, five hundred forty-four thousand, five hundred eleven".