11921017060 has 24 divisors (see below), whose sum is σ = 25049223360. Its totient is φ = 4765533024.

The previous prime is 11921017007. The next prime is 11921017091. The reversal of 11921017060 is 6071012911.

It is a super-2 number, since 2×11921017060² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 145440 + ... + 212119.

It is an arithmetic number, because the mean of its divisors is an integer number (1043717640).

Almost surely, 2^11921017060 is an apocalyptic number.

11921017060 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11921017060 is an abundant number, since it is smaller than the sum of its proper divisors (13128206300).

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

11921017060 is a wasteful number, since it uses less digits than its factorization.

11921017060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 359235 (or 359233 counting only the distinct ones).

The product of its (nonzero) digits is 756, while the sum is 28.

Adding to 11921017060 its reverse (6071012911), we get a palindrome (17992029971).

The spelling of 11921017060 in words is "eleven billion, nine hundred twenty-one million, seventeen thousand, sixty".