11134412020 has 12 divisors (see below), whose sum is σ = 23382265284. Its totient is φ = 4453764800.

The previous prime is 11134411979. The next prime is 11134412027. The reversal of 11134412020 is 2021443111.

It can be written as a sum of positive squares in 2 ways, for example, as 2054990224 + 9079421796 = 45332^2 + 95286^2 .

It is a super-2 number, since 2×11134412020² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11134412027) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 278360281 + ... + 278360320.

It is an arithmetic number, because the mean of its divisors is an integer number (1948522107).

Almost surely, 2^11134412020 is an apocalyptic number.

11134412020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11134412020 is an abundant number, since it is smaller than the sum of its proper divisors (12247853264).

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

11134412020 is a wasteful number, since it uses less digits than its factorization.

11134412020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 556720610 (or 556720608 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 11134412020 its reverse (2021443111), we get a palindrome (13155855131).

The spelling of 11134412020 in words is "eleven billion, one hundred thirty-four million, four hundred twelve thousand, twenty".