11516540 has 24 divisors (see below), whose sum is σ = 27640032. Its totient is φ = 3948480.

The previous prime is 11516539. The next prime is 11516543. The reversal of 11516540 is 4561511.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11516543) 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, 40991 + ... + 41270.

It is an arithmetic number, because the mean of its divisors is an integer number (1151668).

Almost surely, 2^11516540 is an apocalyptic number.

11516540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11516540 is an abundant number, since it is smaller than the sum of its proper divisors (16123492).

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

11516540 is a wasteful number, since it uses less digits than its factorization.

11516540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82277 (or 82275 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 23.

The square root of 11516540 is about 3393.6028052794. The cubic root of 11516540 is about 225.8260336628.

The spelling of 11516540 in words is "eleven million, five hundred sixteen thousand, five hundred forty".