11227537240 has 64 divisors (see below), whose sum is σ = 25636577760. Its totient is φ = 4424555520.

The previous prime is 11227537229. The next prime is 11227537259. The reversal of 11227537240 is 4273572211.

It is a junction number, because it is equal to n+sod(n) for n = 11227537196 and 11227537205.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3727335 + ... + 3730345.

Almost surely, 2^11227537240 is an apocalyptic number.

11227537240 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 11227537240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12818288880).

11227537240 is an abundant number, since it is smaller than the sum of its proper divisors (14409040520).

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

11227537240 is a wasteful number, since it uses less digits than its factorization.

11227537240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4372 (or 4368 counting only the distinct ones).

The product of its (nonzero) digits is 23520, while the sum is 34.

The spelling of 11227537240 in words is "eleven billion, two hundred twenty-seven million, five hundred thirty-seven thousand, two hundred forty".