11433501420 has 96 divisors (see below), whose sum is σ = 35105495040. Its totient is φ = 2757365760.

The previous prime is 11433501403. The next prime is 11433501433. The reversal of 11433501420 is 2410533411.

It is a happy number.

It is a super-2 number, since 2×11433501420² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 82501 + ... + 172259.

It is an arithmetic number, because the mean of its divisors is an integer number (365682240).

Almost surely, 2^11433501420 is an apocalyptic number.

11433501420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11433501420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17552747520).

11433501420 is an abundant number, since it is smaller than the sum of its proper divisors (23671993620).

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

11433501420 is a wasteful number, since it uses less digits than its factorization.

11433501420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89975 (or 89973 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

The spelling of 11433501420 in words is "eleven billion, four hundred thirty-three million, five hundred one thousand, four hundred twenty".