11822013513 has 24 divisors (see below), whose sum is σ = 17500654080. Its totient is φ = 7685634240.

The previous prime is 11822013509. The next prime is 11822013529. The reversal of 11822013513 is 31531022811.

11822013513 is a `hidden beast` number, since 118 + 2 + 20 + 13 + 513 = 666.

It is not a de Polignac number, because 11822013513 - 2² = 11822013509 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11822013563) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 997420 + ... + 1009202.

It is an arithmetic number, because the mean of its divisors is an integer number (729193920).

Almost surely, 2^11822013513 is an apocalyptic number.

It is an amenable number.

11822013513 is a deficient number, since it is larger than the sum of its proper divisors (5678640567).

11822013513 is a wasteful number, since it uses less digits than its factorization.

11822013513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14549 (or 14546 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 27.

The spelling of 11822013513 in words is "eleven billion, eight hundred twenty-two million, thirteen thousand, five hundred thirteen".