11631039838 has 16 divisors (see below), whose sum is σ = 20152176624. Its totient is φ = 4975845760.

The previous prime is 11631039817. The next prime is 11631039839. The reversal of 11631039838 is 83893013611.

It is a junction number, because it is equal to n+sod(n) for n = 11631039794 and 11631039803.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11631039839) 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, 15549145 + ... + 15549892.

It is an arithmetic number, because the mean of its divisors is an integer number (1259511039).

Almost surely, 2^11631039838 is an apocalyptic number.

11631039838 is a deficient number, since it is larger than the sum of its proper divisors (8521136786).

11631039838 is a wasteful number, since it uses less digits than its factorization.

11631039838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31099067.

The product of its (nonzero) digits is 93312, while the sum is 43.

The spelling of 11631039838 in words is "eleven billion, six hundred thirty-one million, thirty-nine thousand, eight hundred thirty-eight".