11640829254 has 36 divisors (see below), whose sum is σ = 24741276132. Its totient is φ = 3650615360.

The previous prime is 11640829241. The next prime is 11640829273. The reversal of 11640829254 is 45292804611.

It is a congruent number.

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 17 ways as a sum of consecutive naturals, for example, 4491499 + ... + 4494089.

Almost surely, 2^11640829254 is an apocalyptic number.

11640829254 is an abundant number, since it is smaller than the sum of its proper divisors (13100446878).

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

11640829254 is an frugal number, since it uses more digits than its factorization.

11640829254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5221 (or 2613 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 42.

The spelling of 11640829254 in words is "eleven billion, six hundred forty million, eight hundred twenty-nine thousand, two hundred fifty-four".