11263775520 has 96 divisors (see below), whose sum is σ = 35525250432. Its totient is φ = 2999918592.

The previous prime is 11263775473. The next prime is 11263775539. The reversal of 11263775520 is 2557736211.

It is a happy number.

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

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, 380784 + ... + 409296.

It is an arithmetic number, because the mean of its divisors is an integer number (370054692).

Almost surely, 2^11263775520 is an apocalyptic number.

11263775520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11263775520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17762625216).

11263775520 is an abundant number, since it is smaller than the sum of its proper divisors (24261474912).

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

11263775520 is a wasteful number, since it uses less digits than its factorization.

11263775520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29354 (or 29346 counting only the distinct ones).

The product of its (nonzero) digits is 88200, while the sum is 39.

The spelling of 11263775520 in words is "eleven billion, two hundred sixty-three million, seven hundred seventy-five thousand, five hundred twenty".