20461255411 has 8 divisors (see below), whose sum is σ = 21074488400. Its totient is φ = 19851192288.

The previous prime is 20461255393. The next prime is 20461255417. The reversal of 20461255411 is 11455216402.

It is a happy number.

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 20461255411 - 2²¹ = 20459158259 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20461255417) 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, 779361 + ... + 805186.

It is an arithmetic number, because the mean of its divisors is an integer number (2634311050).

Almost surely, 2^20461255411 is an apocalyptic number.

20461255411 is a deficient number, since it is larger than the sum of its proper divisors (613232989).

20461255411 is a wasteful number, since it uses less digits than its factorization.

20461255411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1584933.

The product of its (nonzero) digits is 9600, while the sum is 31.

The spelling of 20461255411 in words is "twenty billion, four hundred sixty-one million, two hundred fifty-five thousand, four hundred eleven".