11308528572 has 48 divisors (see below), whose sum is σ = 28792253952. Its totient is φ = 3426004480.

The previous prime is 11308528531. The next prime is 11308528579. The reversal of 11308528572 is 27582580311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11308528579) 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, 759148 + ... + 773900.

It is an arithmetic number, because the mean of its divisors is an integer number (599838624).

Almost surely, 2^11308528572 is an apocalyptic number.

11308528572 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11308528572 is an abundant number, since it is smaller than the sum of its proper divisors (17483725380).

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

11308528572 is a wasteful number, since it uses less digits than its factorization.

11308528572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20578 (or 20576 counting only the distinct ones).

The product of its (nonzero) digits is 134400, while the sum is 42.

The spelling of 11308528572 in words is "eleven billion, three hundred eight million, five hundred twenty-eight thousand, five hundred seventy-two".