11245157280 has 576 divisors, whose sum is σ = 46872483840. Its totient is φ = 2396454912.

The previous prime is 11245157243. The next prime is 11245157281. The reversal of 11245157280 is 8275154211.

It is a happy number.

11245157280 is a `hidden beast` number, since 1 + 1 + 2 + 4 + 5 + 1 + 572 + 80 = 666.

11245157280 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (11245157281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 23476081 + ... + 23476559.

It is an arithmetic number, because the mean of its divisors is an integer number (81375840).

Almost surely, 2^11245157280 is an apocalyptic number.

11245157280 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 11245157280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23436241920).

11245157280 is an abundant number, since it is smaller than the sum of its proper divisors (35627326560).

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

11245157280 is a wasteful number, since it uses less digits than its factorization.

11245157280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 661 (or 650 counting only the distinct ones).

The product of its (nonzero) digits is 22400, while the sum is 36.

The spelling of 11245157280 in words is "eleven billion, two hundred forty-five million, one hundred fifty-seven thousand, two hundred eighty".