11520052449 has 16 divisors (see below), whose sum is σ = 15791556480. Its totient is φ = 7465645440.

The previous prime is 11520052447. The next prime is 11520052451. The reversal of 11520052449 is 94425002511.

It is an interprime number because it is at equal distance from previous prime (11520052447) and next prime (11520052451).

It is not a de Polignac number, because 11520052449 - 2¹ = 11520052447 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11520052447) 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, 134989 + ... + 203130.

It is an arithmetic number, because the mean of its divisors is an integer number (986972280).

Almost surely, 2^11520052449 is an apocalyptic number.

It is an amenable number.

11520052449 is a deficient number, since it is larger than the sum of its proper divisors (4271504031).

11520052449 is a wasteful number, since it uses less digits than its factorization.

11520052449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 338440.

The product of its (nonzero) digits is 14400, while the sum is 33.

The spelling of 11520052449 in words is "eleven billion, five hundred twenty million, fifty-two thousand, four hundred forty-nine".