11530420615 has 16 divisors (see below), whose sum is σ = 15814955520. Its totient is φ = 7905670560.

The previous prime is 11530420613. The next prime is 11530420703. The reversal of 11530420615 is 51602403511.

It is not a de Polignac number, because 11530420615 - 2¹ = 11530420613 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11530420613) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 472176 + ... + 495994.

It is an arithmetic number, because the mean of its divisors is an integer number (988434720).

Almost surely, 2^11530420615 is an apocalyptic number.

11530420615 is a deficient number, since it is larger than the sum of its proper divisors (4284534905).

11530420615 is a wasteful number, since it uses less digits than its factorization.

11530420615 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37662.

The product of its (nonzero) digits is 3600, while the sum is 28.

The spelling of 11530420615 in words is "eleven billion, five hundred thirty million, four hundred twenty thousand, six hundred fifteen".