11203072512 has 40 divisors (see below), whose sum is σ = 29845689456. Its totient is φ = 3734356992.

The previous prime is 11203072499. The next prime is 11203072513. The reversal of 11203072512 is 21527030211.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (11203072513) 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, 3645298 + ... + 3648369.

Almost surely, 2^11203072512 is an apocalyptic number.

11203072512 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11203072512 is an abundant number, since it is smaller than the sum of its proper divisors (18642616944).

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

11203072512 is an frugal number, since it uses more digits than its factorization.

11203072512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7293688 (or 7293672 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 24.

The spelling of 11203072512 in words is "eleven billion, two hundred three million, seventy-two thousand, five hundred twelve".