11255463140 has 12 divisors (see below), whose sum is σ = 23636472636. Its totient is φ = 4502185248.

The previous prime is 11255463119. The next prime is 11255463187. The reversal of 11255463140 is 4136455211.

It can be written as a sum of positive squares in 2 ways, for example, as 2210692324 + 9044770816 = 47018^2 + 95104^2 .

It is a junction number, because it is equal to n+sod(n) for n = 11255463097 and 11255463106.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 281386559 + ... + 281386598.

It is an arithmetic number, because the mean of its divisors is an integer number (1969706053).

Almost surely, 2^11255463140 is an apocalyptic number.

11255463140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11255463140 is an abundant number, since it is smaller than the sum of its proper divisors (12381009496).

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

11255463140 is a wasteful number, since it uses less digits than its factorization.

11255463140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 562773166 (or 562773164 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 32.

The spelling of 11255463140 in words is "eleven billion, two hundred fifty-five million, four hundred sixty-three thousand, one hundred forty".