11151530712 has 128 divisors (see below), whose sum is σ = 35640000000. Its totient is φ = 3164704128.

The previous prime is 11151530699. The next prime is 11151530713. The reversal of 11151530712 is 21703515111.

11151530712 is a `hidden beast` number, since 1 + 11 + 51 + 530 + 71 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11151530713) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 200539 + ... + 250037.

It is an arithmetic number, because the mean of its divisors is an integer number (278437500).

Almost surely, 2^11151530712 is an apocalyptic number.

11151530712 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11151530712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17820000000).

11151530712 is an abundant number, since it is smaller than the sum of its proper divisors (24488469288).

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

11151530712 is a wasteful number, since it uses less digits than its factorization.

11151530712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49670 (or 49660 counting only the distinct ones).

The product of its (nonzero) digits is 1050, while the sum is 27.

The spelling of 11151530712 in words is "eleven billion, one hundred fifty-one million, five hundred thirty thousand, seven hundred twelve".