11121146613 has 16 divisors (see below), whose sum is σ = 16477516800. Its totient is φ = 7413312960.

The previous prime is 11121146579. The next prime is 11121146657. The reversal of 11121146613 is 31664112111.

11121146613 is a `hidden beast` number, since 1 + 1 + 1 + 2 + 1 + 1 + 46 + 613 = 666.

It is not a de Polignac number, because 11121146613 - 2⁶ = 11121146549 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11121146713) 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, 358828 + ... + 388586.

It is an arithmetic number, because the mean of its divisors is an integer number (1029844800).

Almost surely, 2^11121146613 is an apocalyptic number.

It is an amenable number.

11121146613 is a deficient number, since it is larger than the sum of its proper divisors (5356370187).

11121146613 is a wasteful number, since it uses less digits than its factorization.

11121146613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43609 (or 43603 counting only the distinct ones).

The product of its digits is 864, while the sum is 27.

Adding to 11121146613 its reverse (31664112111), we get a palindrome (42785258724).

The spelling of 11121146613 in words is "eleven billion, one hundred twenty-one million, one hundred forty-six thousand, six hundred thirteen".