11403488250 has 288 divisors, whose sum is σ = 39134332224. Its totient is φ = 2369304000.

The previous prime is 11403488249. The next prime is 11403488303. The reversal of 11403488250 is 5288430411.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 1208049 + ... + 1217451.

It is an arithmetic number, because the mean of its divisors is an integer number (135883098).

Almost surely, 2^11403488250 is an apocalyptic number.

11403488250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 11403488250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19567166112).

11403488250 is an abundant number, since it is smaller than the sum of its proper divisors (27730843974).

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

11403488250 is a wasteful number, since it uses less digits than its factorization.

11403488250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9451 (or 9431 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 36.

The spelling of 11403488250 in words is "eleven billion, four hundred three million, four hundred eighty-eight thousand, two hundred fifty".