11111053151020 has 48 divisors (see below), whose sum is σ = 23502836397600. Its totient is φ = 4412116569600.

The previous prime is 11111053150987. The next prime is 11111053151027. The reversal of 11111053151020 is 2015135011111.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 11111053150982 and 11111053151000.

It is not an unprimeable number, because it can be changed into a prime (11111053151027) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38802370 + ... + 39087670.

It is an arithmetic number, because the mean of its divisors is an integer number (489642424950).

Almost surely, 2^{11111053151020} is an apocalyptic number.

11111053151020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11111053151020 is an abundant number, since it is smaller than the sum of its proper divisors (12391783246580).

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

11111053151020 is a wasteful number, since it uses less digits than its factorization.

11111053151020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 299458 (or 299456 counting only the distinct ones).

The product of its (nonzero) digits is 150, while the sum is 22.

Adding to 11111053151020 its reverse (2015135011111), we get a palindrome (13126188162131).

The spelling of 11111053151020 in words is "eleven trillion, one hundred eleven billion, fifty-three million, one hundred fifty-one thousand, twenty".