11437995426 has 64 divisors (see below), whose sum is σ = 26896302720. Its totient is φ = 3196938240.

The previous prime is 11437995419. The next prime is 11437995479. The reversal of 11437995426 is 62459973411.

It is a happy number.

11437995426 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1276530 + ... + 1285458.

It is an arithmetic number, because the mean of its divisors is an integer number (420254730).

Almost surely, 2^11437995426 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11437995426, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13448151360).

11437995426 is an abundant number, since it is smaller than the sum of its proper divisors (15458307294).

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

11437995426 is a wasteful number, since it uses less digits than its factorization.

11437995426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10451.

The product of its digits is 1632960, while the sum is 51.

The spelling of 11437995426 in words is "eleven billion, four hundred thirty-seven million, nine hundred ninety-five thousand, four hundred twenty-six".