11245945540 has 12 divisors (see below), whose sum is σ = 23616485676. Its totient is φ = 4498378208.

The previous prime is 11245945517. The next prime is 11245945559. The reversal of 11245945540 is 4554954211.

It can be written as a sum of positive squares in 2 ways, for example, as 8331673284 + 2914272256 = 91278^2 + 53984^2 .

It is a junction number, because it is equal to n+sod(n) for n = 11245945493 and 11245945502.

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, 281148619 + ... + 281148658.

It is an arithmetic number, because the mean of its divisors is an integer number (1968040473).

Almost surely, 2^11245945540 is an apocalyptic number.

11245945540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11245945540 is an abundant number, since it is smaller than the sum of its proper divisors (12370540136).

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

11245945540 is a wasteful number, since it uses less digits than its factorization.

11245945540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 562297286 (or 562297284 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 40.

The spelling of 11245945540 in words is "eleven billion, two hundred forty-five million, nine hundred forty-five thousand, five hundred forty".