11203772640 has 96 divisors (see below), whose sum is σ = 35309584800. Its totient is φ = 2986174464.

The previous prime is 11203772551. The next prime is 11203772687. The reversal of 11203772640 is 4627730211.

It is a tau number, because it is divible by the number of its divisors (96).

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 1218942 + ... + 1228098.

It is an arithmetic number, because the mean of its divisors is an integer number (367808175).

Almost surely, 2^11203772640 is an apocalyptic number.

11203772640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11203772640 is an abundant number, since it is smaller than the sum of its proper divisors (24105812160).

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

11203772640 is a wasteful number, since it uses less digits than its factorization.

11203772640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11724 (or 11716 counting only the distinct ones).

The product of its (nonzero) digits is 14112, while the sum is 33.

The spelling of 11203772640 in words is "eleven billion, two hundred three million, seven hundred seventy-two thousand, six hundred forty".