21625466415411 has 16 divisors (see below), whose sum is σ = 28960208076800. Its totient is φ = 14353852663008.

The previous prime is 21625466415407. The next prime is 21625466415433. The reversal of 21625466415411 is 11451466452612.

It is not a de Polignac number, because 21625466415411 - 2² = 21625466415407 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21625466415011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 90982320 + ... + 91219698.

It is an arithmetic number, because the mean of its divisors is an integer number (1810013004800).

Almost surely, 2^{21625466415411} is an apocalyptic number.

21625466415411 is a deficient number, since it is larger than the sum of its proper divisors (7334741661389).

21625466415411 is a wasteful number, since it uses less digits than its factorization.

21625466415411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 370218.

The product of its digits is 1382400, while the sum is 48.

The spelling of 21625466415411 in words is "twenty-one trillion, six hundred twenty-five billion, four hundred sixty-six million, four hundred fifteen thousand, four hundred eleven".