11614820838 has 16 divisors (see below), whose sum is σ = 23236449456. Its totient is φ = 3870472320.

The previous prime is 11614820831. The next prime is 11614820851. The reversal of 11614820838 is 83802841611.

It is a self number, because there is not a number n which added to its sum of digits gives 11614820838.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11614820831) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 261343 + ... + 302538.

It is an arithmetic number, because the mean of its divisors is an integer number (1452278091).

Almost surely, 2^11614820838 is an apocalyptic number.

11614820838 is an abundant number, since it is smaller than the sum of its proper divisors (11621628618).

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

11614820838 is a wasteful number, since it uses less digits than its factorization.

11614820838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 567319.

The product of its (nonzero) digits is 73728, while the sum is 42.

The spelling of 11614820838 in words is "eleven billion, six hundred fourteen million, eight hundred twenty thousand, eight hundred thirty-eight".