11534510340 has 72 divisors (see below), whose sum is σ = 35430944640. Its totient is φ = 3036930624.

The previous prime is 11534510297. The next prime is 11534510341. The reversal of 11534510340 is 4301543511.

It is a happy number.

11534510340 is a `hidden beast` number, since 115 + 3 + 4 + 510 + 34 + 0 = 666.

It is not an unprimeable number, because it can be changed into a prime (11534510341) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 391354 + ... + 419793.

Almost surely, 2^11534510340 is an apocalyptic number.

11534510340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11534510340 is an abundant number, since it is smaller than the sum of its proper divisors (23896434300).

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

11534510340 is a wasteful number, since it uses less digits than its factorization.

11534510340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 811241 (or 811236 counting only the distinct ones).

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

The spelling of 11534510340 in words is "eleven billion, five hundred thirty-four million, five hundred ten thousand, three hundred forty".