20411151246256 has 40 divisors (see below), whose sum is σ = 41641888320000. Its totient is φ = 9665215744320.

The previous prime is 20411151246253. The next prime is 20411151246263. The reversal of 20411151246256 is 65264215111402.

It is not an unprimeable number, because it can be changed into a prime (20411151246253) 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, 10282360 + ... + 12105751.

It is an arithmetic number, because the mean of its divisors is an integer number (1041047208000).

Almost surely, 2^{20411151246256} is an apocalyptic number.

It is an amenable number.

20411151246256 is an abundant number, since it is smaller than the sum of its proper divisors (21230737073744).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20411151246256 is a wasteful number, since it uses less digits than its factorization.

20411151246256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22391137 (or 22391131 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 40.

Adding to 20411151246256 its reverse (65264215111402), we get a palindrome (85675366357658).

The spelling of 20411151246256 in words is "twenty trillion, four hundred eleven billion, one hundred fifty-one million, two hundred forty-six thousand, two hundred fifty-six".