11511521482 has 16 divisors (see below), whose sum is σ = 18220489920. Its totient is φ = 5443648672.

The previous prime is 11511521471. The next prime is 11511521533. The reversal of 11511521482 is 28412511511.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1401808 + ... + 1409995.

It is an arithmetic number, because the mean of its divisors is an integer number (1138780620).

Almost surely, 2^11511521482 is an apocalyptic number.

11511521482 is a deficient number, since it is larger than the sum of its proper divisors (6708968438).

11511521482 is a wasteful number, since it uses less digits than its factorization.

11511521482 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2811917.

The product of its digits is 3200, while the sum is 31.

The spelling of 11511521482 in words is "eleven billion, five hundred eleven million, five hundred twenty-one thousand, four hundred eighty-two".