11515220460422 has 64 divisors (see below), whose sum is σ = 20658454907904. Its totient is φ = 4710652951680.

The previous prime is 11515220460389. The next prime is 11515220460439. The reversal of 11515220460422 is 22406402251511.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 510166397 + ... + 510188967.

It is an arithmetic number, because the mean of its divisors is an integer number (322788357936).

Almost surely, 2^{11515220460422} is an apocalyptic number.

11515220460422 is a deficient number, since it is larger than the sum of its proper divisors (9143234447482).

11515220460422 is a wasteful number, since it uses less digits than its factorization.

11515220460422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41253.

The product of its (nonzero) digits is 38400, while the sum is 35.

The spelling of 11515220460422 in words is "eleven trillion, five hundred fifteen billion, two hundred twenty million, four hundred sixty thousand, four hundred twenty-two".