11546780530 has 32 divisors (see below), whose sum is σ = 20850825600. Its totient is φ = 4603936512.

The previous prime is 11546780527. The next prime is 11546780537. The reversal of 11546780530 is 3508764511.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (11546780537) 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, 5422506 + ... + 5424634.

It is an arithmetic number, because the mean of its divisors is an integer number (651588300).

Almost surely, 2^11546780530 is an apocalyptic number.

11546780530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11546780530 is a deficient number, since it is larger than the sum of its proper divisors (9304045070).

11546780530 is a wasteful number, since it uses less digits than its factorization.

11546780530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3618.

The product of its (nonzero) digits is 100800, while the sum is 40.

The spelling of 11546780530 in words is "eleven billion, five hundred forty-six million, seven hundred eighty thousand, five hundred thirty".