11512531014 has 16 divisors (see below), whose sum is σ = 23033263680. Its totient is φ = 3836143400.

The previous prime is 11512531013. The next prime is 11512531073. The reversal of 11512531014 is 41013521511.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11512531013) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 323412 + ... + 357239.

It is an arithmetic number, because the mean of its divisors is an integer number (1439578980).

Almost surely, 2^11512531014 is an apocalyptic number.

11512531014 is an abundant number, since it is smaller than the sum of its proper divisors (11520732666).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11512531014 is a wasteful number, since it uses less digits than its factorization.

11512531014 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 683475.

The product of its (nonzero) digits is 600, while the sum is 24.

The spelling of 11512531014 in words is "eleven billion, five hundred twelve million, five hundred thirty-one thousand, fourteen".