11510772648 has 32 divisors (see below), whose sum is σ = 30028104000. Its totient is φ = 3670101248.

The previous prime is 11510772643. The next prime is 11510772653. The reversal of 11510772648 is 84627701511.

It is an interprime number because it is at equal distance from previous prime (11510772643) and next prime (11510772653).

It is not an unprimeable number, because it can be changed into a prime (11510772643) 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, 10425873 + ... + 10426976.

It is an arithmetic number, because the mean of its divisors is an integer number (938378250).

Almost surely, 2^11510772648 is an apocalyptic number.

It is an amenable number.

11510772648 is an abundant number, since it is smaller than the sum of its proper divisors (18517331352).

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

11510772648 is a wasteful number, since it uses less digits than its factorization.

11510772648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20852881 (or 20852877 counting only the distinct ones).

The product of its (nonzero) digits is 94080, while the sum is 42.

The spelling of 11510772648 in words is "eleven billion, five hundred ten million, seven hundred seventy-two thousand, six hundred forty-eight".