11453540215 has 32 divisors (see below), whose sum is σ = 15135434496. Its totient is φ = 8267635200.

The previous prime is 11453540213. The next prime is 11453540221. The reversal of 11453540215 is 51204535411.

It is not a de Polignac number, because 11453540215 - 2¹ = 11453540213 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11453540213) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3092865 + ... + 3096565.

It is an arithmetic number, because the mean of its divisors is an integer number (472982328).

Almost surely, 2^11453540215 is an apocalyptic number.

11453540215 is a deficient number, since it is larger than the sum of its proper divisors (3681894281).

11453540215 is a wasteful number, since it uses less digits than its factorization.

11453540215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4779.

The product of its (nonzero) digits is 12000, while the sum is 31.

The spelling of 11453540215 in words is "eleven billion, four hundred fifty-three million, five hundred forty thousand, two hundred fifteen".