11656061420 has 24 divisors (see below), whose sum is σ = 24488528064. Its totient is φ = 4660367616.

The previous prime is 11656061413. The next prime is 11656061447. The reversal of 11656061420 is 2416065611.

11656061420 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 81677 + ... + 173156.

It is an arithmetic number, because the mean of its divisors is an integer number (1020355336).

Almost surely, 2^11656061420 is an apocalyptic number.

11656061420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11656061420 is an abundant number, since it is smaller than the sum of its proper divisors (12832466644).

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

11656061420 is a wasteful number, since it uses less digits than its factorization.

11656061420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 257129 (or 257127 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 32.

The spelling of 11656061420 in words is "eleven billion, six hundred fifty-six million, sixty-one thousand, four hundred twenty".