11431110020 has 24 divisors (see below), whose sum is σ = 26187634368. Its totient is φ = 4156767200.

The previous prime is 11431110017. The next prime is 11431110059. The reversal of 11431110020 is 2001113411.

It is a junction number, because it is equal to n+sod(n) for n = 11431109977 and 11431110004.

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, 25979576 + ... + 25980015.

It is an arithmetic number, because the mean of its divisors is an integer number (1091151432).

Almost surely, 2^11431110020 is an apocalyptic number.

11431110020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11431110020 is an abundant number, since it is smaller than the sum of its proper divisors (14756524348).

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

11431110020 is a wasteful number, since it uses less digits than its factorization.

11431110020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51959611 (or 51959609 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 11431110020 its reverse (2001113411), we get a palindrome (13432223431).

The spelling of 11431110020 in words is "eleven billion, four hundred thirty-one million, one hundred ten thousand, twenty".