11790528538 has 8 divisors (see below), whose sum is σ = 17731258740. Its totient is φ = 5880108960.

The previous prime is 11790528493. The next prime is 11790528539. The reversal of 11790528538 is 83582509711.

It can be written as a sum of positive squares in 2 ways, for example, as 9163658529 + 2626870009 = 95727^2 + 51253^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 11790528491 and 11790528500.

It is not an unprimeable number, because it can be changed into a prime (11790528539) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7576683 + ... + 7578238.

Almost surely, 2^11790528538 is an apocalyptic number.

11790528538 is a deficient number, since it is larger than the sum of its proper divisors (5940730202).

11790528538 is a wasteful number, since it uses less digits than its factorization.

11790528538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15155312.

The product of its (nonzero) digits is 604800, while the sum is 49.

The spelling of 11790528538 in words is "eleven billion, seven hundred ninety million, five hundred twenty-eight thousand, five hundred thirty-eight".