13111113010020 has 48 divisors (see below), whose sum is σ = 38307251928960. Its totient is φ = 3344283897856.

The previous prime is 13111113009979. The next prime is 13111113010091. The reversal of 13111113010020 is 2001031111131.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4750401885 + ... + 4750404644.

It is an arithmetic number, because the mean of its divisors is an integer number (798067748520).

Almost surely, 2^{13111113010020} is an apocalyptic number.

13111113010020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13111113010020 is an abundant number, since it is smaller than the sum of its proper divisors (25196138918940).

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

13111113010020 is a wasteful number, since it uses less digits than its factorization.

13111113010020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9500806564 (or 9500806562 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 15.

Adding to 13111113010020 its reverse (2001031111131), we get a palindrome (15112144121151).

The spelling of 13111113010020 in words is "thirteen trillion, one hundred eleven billion, one hundred thirteen million, ten thousand, twenty".