11227511250 has 270 divisors, whose sum is σ = 32441850441. Its totient is φ = 2913084000.

The previous prime is 11227511233. The next prime is 11227511261. The reversal of 11227511250 is 5211572211.

11227511250 is a `hidden beast` number, since 1 + 122 + 7 + 511 + 25 + 0 = 666.

It can be written as a sum of positive squares in 8 ways, for example, as 326271969 + 10901239281 = 18063^2 + 104409^2 .

It is a tau number, because it is divible by the number of its divisors (270).

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=74925.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 134 ways as a sum of consecutive naturals, for example, 303446232 + ... + 303446268.

Almost surely, 2^11227511250 is an apocalyptic number.

11227511250 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 11227511250

11227511250 is an abundant number, since it is smaller than the sum of its proper divisors (21214339191).

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

11227511250 is an frugal number, since it uses more digits than its factorization.

11227511250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120 (or 47 counting only the distinct ones).

The product of its (nonzero) digits is 1400, while the sum is 27.

The spelling of 11227511250 in words is "eleven billion, two hundred twenty-seven million, five hundred eleven thousand, two hundred fifty".