11521038914 has 32 divisors (see below), whose sum is σ = 21911040000. Its totient is φ = 4412633040.

The previous prime is 11521038913. The next prime is 11521038917. The reversal of 11521038914 is 41983012511.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (11521038913) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 624914 + ... + 643085.

It is an arithmetic number, because the mean of its divisors is an integer number (684720000).

Almost surely, 2^11521038914 is an apocalyptic number.

11521038914 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

11521038914 is a deficient number, since it is larger than the sum of its proper divisors (10390001086).

11521038914 is a wasteful number, since it uses less digits than its factorization.

11521038914 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1268078.

The product of its (nonzero) digits is 8640, while the sum is 35.

The spelling of 11521038914 in words is "eleven billion, five hundred twenty-one million, thirty-eight thousand, nine hundred fourteen".