11061215730 has 48 divisors (see below), whose sum is σ = 28764388224. Its totient is φ = 2949121440.

The previous prime is 11061215707. The next prime is 11061215761. The reversal of 11061215730 is 3751216011.

11061215730 is a `hidden beast` number, since 1 + 1 + 0 + 612 + 15 + 7 + 30 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 11061215694 and 11061215703.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 876727 + ... + 889253.

It is an arithmetic number, because the mean of its divisors is an integer number (599258088).

Almost surely, 2^11061215730 is an apocalyptic number.

11061215730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11061215730 is an abundant number, since it is smaller than the sum of its proper divisors (17703172494).

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

11061215730 is a wasteful number, since it uses less digits than its factorization.

11061215730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22351 (or 22348 counting only the distinct ones).

The product of its (nonzero) digits is 1260, while the sum is 27.

The spelling of 11061215730 in words is "eleven billion, sixty-one million, two hundred fifteen thousand, seven hundred thirty".