11051230512 has 80 divisors (see below), whose sum is σ = 32644831232. Its totient is φ = 3155811840.

The previous prime is 11051230451. The next prime is 11051230571. The reversal of 11051230512 is 21503215011.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 710337 + ... + 725727.

Almost surely, 2^11051230512 is an apocalyptic number.

11051230512 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11051230512 is an abundant number, since it is smaller than the sum of its proper divisors (21593600720).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11051230512 is a wasteful number, since it uses less digits than its factorization.

11051230512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17546 (or 17540 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 21.

Adding to 11051230512 its reverse (21503215011), we get a palindrome (32554445523).

The spelling of 11051230512 in words is "eleven billion, fifty-one million, two hundred thirty thousand, five hundred twelve".