11045531340 has 36 divisors (see below), whose sum is σ = 33504778944. Its totient is φ = 2945474976.

The previous prime is 11045531327. The next prime is 11045531347. The reversal of 11045531340 is 4313554011.

It is a happy number.

11045531340 is a `hidden beast` number, since 1 + 104 + 553 + 1 + 3 + 4 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (11045531347) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 30681852 + ... + 30682211.

It is an arithmetic number, because the mean of its divisors is an integer number (930688304).

Almost surely, 2^11045531340 is an apocalyptic number.

11045531340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11045531340 is an abundant number, since it is smaller than the sum of its proper divisors (22459247604).

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

11045531340 is a wasteful number, since it uses less digits than its factorization.

11045531340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61364078 (or 61364073 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The spelling of 11045531340 in words is "eleven billion, forty-five million, five hundred thirty-one thousand, three hundred forty".