11133645240 has 32 divisors (see below), whose sum is σ = 33400936080. Its totient is φ = 2968972032.

The previous prime is 11133645223. The next prime is 11133645241. The reversal of 11133645240 is 4254633111.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 11133645198 and 11133645207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11133645241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46390069 + ... + 46390308.

Almost surely, 2^11133645240 is an apocalyptic number.

11133645240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11133645240 is an abundant number, since it is smaller than the sum of its proper divisors (22267290840).

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

11133645240 is a wasteful number, since it uses less digits than its factorization.

11133645240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92780391 (or 92780387 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 30.

The spelling of 11133645240 in words is "eleven billion, one hundred thirty-three million, six hundred forty-five thousand, two hundred forty".