11012420516 has 12 divisors (see below), whose sum is σ = 20109637632. Its totient is φ = 5266809768.

The previous prime is 11012420513. The next prime is 11012420557. The reversal of 11012420516 is 61502421011.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a junction number, because it is equal to n+sod(n) for n = 11012420491 and 11012420500.

It is not an unprimeable number, because it can be changed into a prime (11012420513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 59850020 + ... + 59850203.

It is an arithmetic number, because the mean of its divisors is an integer number (1675803136).

Almost surely, 2^11012420516 is an apocalyptic number.

It is an amenable number.

11012420516 is a deficient number, since it is larger than the sum of its proper divisors (9097217116).

11012420516 is a wasteful number, since it uses less digits than its factorization.

11012420516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119700250 (or 119700248 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 23.

Adding to 11012420516 its reverse (61502421011), we get a palindrome (72514841527).

The spelling of 11012420516 in words is "eleven billion, twelve million, four hundred twenty thousand, five hundred sixteen".