10111540420 has 24 divisors (see below), whose sum is σ = 21237277824. Its totient is φ = 4044036576.

The previous prime is 10111540409. The next prime is 10111540421. The reversal of 10111540420 is 2404511101.

10111540420 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (10111540421) by changing a digit.

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, 124147 + ... + 188773.

It is an arithmetic number, because the mean of its divisors is an integer number (884886576).

Almost surely, 2^10111540420 is an apocalyptic number.

10111540420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10111540420 is an abundant number, since it is smaller than the sum of its proper divisors (11125737404).

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

10111540420 is a wasteful number, since it uses less digits than its factorization.

10111540420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72459 (or 72457 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 19.

The spelling of 10111540420 in words is "ten billion, one hundred eleven million, five hundred forty thousand, four hundred twenty".