11332531513 has 16 divisors (see below), whose sum is σ = 11981536000. Its totient is φ = 10688889600.

The previous prime is 11332531501. The next prime is 11332531519. The reversal of 11332531513 is 31513523311.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 11332531513 - 2⁵ = 11332531481 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11332531519) 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, 7963120 + ... + 7964542.

It is an arithmetic number, because the mean of its divisors is an integer number (748846000).

Almost surely, 2^11332531513 is an apocalyptic number.

It is an amenable number.

11332531513 is a deficient number, since it is larger than the sum of its proper divisors (649004487).

11332531513 is a wasteful number, since it uses less digits than its factorization.

11332531513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2992.

The product of its digits is 4050, while the sum is 28.

The spelling of 11332531513 in words is "eleven billion, three hundred thirty-two million, five hundred thirty-one thousand, five hundred thirteen".