11235951812 has 12 divisors (see below), whose sum is σ = 20517825216. Its totient is φ = 5373716040.

The previous prime is 11235951787. The next prime is 11235951817. The reversal of 11235951812 is 21815953211.

It is a super-2 number, since 2×11235951812² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11235951817) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 61064864 + ... + 61065047.

It is an arithmetic number, because the mean of its divisors is an integer number (1709818768).

Almost surely, 2^11235951812 is an apocalyptic number.

It is an amenable number.

11235951812 is a deficient number, since it is larger than the sum of its proper divisors (9281873404).

11235951812 is a wasteful number, since it uses less digits than its factorization.

11235951812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122129938 (or 122129936 counting only the distinct ones).

The product of its digits is 21600, while the sum is 38.

The spelling of 11235951812 in words is "eleven billion, two hundred thirty-five million, nine hundred fifty-one thousand, eight hundred twelve".