21460115306 has 16 divisors (see below), whose sum is σ = 37571510016. Its totient is φ = 9001507056.

The previous prime is 21460115263. The next prime is 21460115351. The reversal of 21460115306 is 60351106412.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16306421 + ... + 16307736.

It is an arithmetic number, because the mean of its divisors is an integer number (2348219376).

Almost surely, 2^21460115306 is an apocalyptic number.

21460115306 is a deficient number, since it is larger than the sum of its proper divisors (16111394710).

21460115306 is a wasteful number, since it uses less digits than its factorization.

21460115306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32614213.

The product of its (nonzero) digits is 4320, while the sum is 29.

The spelling of 21460115306 in words is "twenty-one billion, four hundred sixty million, one hundred fifteen thousand, three hundred six".