11521545130 has 16 divisors (see below), whose sum is σ = 21221079264. Its totient is φ = 4501440720.

The previous prime is 11521545127. The next prime is 11521545131. The reversal of 11521545130 is 3154512511.

It is not an unprimeable number, because it can be changed into a prime (11521545131) 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, 13396716 + ... + 13397575.

It is an arithmetic number, because the mean of its divisors is an integer number (1326317454).

Almost surely, 2^11521545130 is an apocalyptic number.

11521545130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11521545130 is a deficient number, since it is larger than the sum of its proper divisors (9699534134).

11521545130 is a wasteful number, since it uses less digits than its factorization.

11521545130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26794341.

The product of its (nonzero) digits is 3000, while the sum is 28.

The spelling of 11521545130 in words is "eleven billion, five hundred twenty-one million, five hundred forty-five thousand, one hundred thirty".