11203507072 has 16 divisors (see below), whose sum is σ = 22319487000. Its totient is φ = 5601753472.

The previous prime is 11203507067. The next prime is 11203507097. The reversal of 11203507072 is 27070530211.

It is a tau number, because it is divible by the number of its divisors (16).

It is a self number, because there is not a number n which added to its sum of digits gives 11203507072.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43763572 + ... + 43763827.

Almost surely, 2^11203507072 is an apocalyptic number.

It is an amenable number.

11203507072 is a deficient number, since it is larger than the sum of its proper divisors (11115979928).

11203507072 is an frugal number, since it uses more digits than its factorization.

11203507072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87527413 (or 87527401 counting only the distinct ones).

The product of its (nonzero) digits is 2940, while the sum is 28.

The spelling of 11203507072 in words is "eleven billion, two hundred three million, five hundred seven thousand, seventy-two".