11612011020 has 24 divisors (see below), whose sum is σ = 32513631024. Its totient is φ = 3096536256.

The previous prime is 11612010983. The next prime is 11612011043. The reversal of 11612011020 is 2011021611.

It is a happy number.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 96766699 + ... + 96766818.

It is an arithmetic number, because the mean of its divisors is an integer number (1354734626).

Almost surely, 2^11612011020 is an apocalyptic number.

11612011020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11612011020 is an abundant number, since it is smaller than the sum of its proper divisors (20901620004).

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

11612011020 is a wasteful number, since it uses less digits than its factorization.

11612011020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193533529 (or 193533527 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 15.

Adding to 11612011020 its reverse (2011021611), we get a palindrome (13623032631).

The spelling of 11612011020 in words is "eleven billion, six hundred twelve million, eleven thousand, twenty".