11011434434 has 64 divisors (see below), whose sum is σ = 22457917440. Its totient is φ = 3909971520.

The previous prime is 11011434431. The next prime is 11011434443. The reversal of 11011434434 is 43443411011.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is not an unprimeable number, because it can be changed into a prime (11011434431) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 123347 + ... + 192969.

It is an arithmetic number, because the mean of its divisors is an integer number (350904960).

Almost surely, 2^11011434434 is an apocalyptic number.

11011434434 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

11011434434 is an abundant number, since it is smaller than the sum of its proper divisors (11446483006).

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

11011434434 is a wasteful number, since it uses less digits than its factorization.

11011434434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69735.

The product of its (nonzero) digits is 2304, while the sum is 26.

Adding to 11011434434 its reverse (43443411011), we get a palindrome (54454845445).

The spelling of 11011434434 in words is "eleven billion, eleven million, four hundred thirty-four thousand, four hundred thirty-four".